| id | species | country | region | locality | altitude | author of find | date of find | publication date of find | comments |
| id10756 | Natrix tessellata | Albania | Cikës Mts. | Shëngjin, Shengjin, Shen Gjini, Shingjin, Shingjini | - | Jiří Hejduk | 01.05.2016 | 20.05.2016 | |
| id1958 | Natrix tessellata | Albania | east Albanian mountains | Piskupat | 699 | Daniel Jablonski | 18.06.2007 | 11.08.2008 | dead specimen |
| id1015 | Natrix tessellata | Albania | Skadar Lake | Zogaj | 20 | Daniel Jablonski | 13.06.2007 | 17.07.2007 | |
| id4669 | Natrix tessellata | Bosnia and Herzegovina | Bosnia and Herzegovina | Gračac, Gracac | 355 | Daniel Jablonski, David Jandzík, Václav Gvoždík | 01.09.2010 | 10.09.2012 | A one adult specimen. |
| id4963 | Natrix tessellata | Bosnia and Herzegovina | Bosnia and Herzegovina | Karaotok | 1 | Daniel Jablonski | 26.10.2010 | 10.09.2012 | Two adult dead specimen. |
| id9913 | Natrix tessellata | Bosnia and Herzegovina | Bosnia and Herzegovina | Krupa na Vrbasu, Krupa, Vrbas | - | Petr Stehlík | 23.07.2013 | 22.04.2015 | |
| id1948 | Natrix tessellata | Bosnia and Herzegovina | Bosnia and Herzegovina | Trebižat, Trebizat | 15 | Martin Rajčáni | 13.08.2007 | 09.08.2008 | |
| id344 | Natrix tessellata | Bulgaria | Black Sea coast | Achtopol | 1 | Daniel Jablonski | 26.06.2006 | 16.07.2006 | Last snake of expedition - Dice Snake Natrix tesselata |
| id717 | Natrix tessellata | Bulgaria | Black Sea coast | Achtopol | - | Petr Antálek | 21.07.2006 | 23.03.2007 | |
| id2101 | Natrix tessellata | Bulgaria | Black Sea coast | Achtopol | 15 | Petr Balej | 06.08.2008 | 23.08.2008 | 1 juv. |
| id8100 | Natrix tessellata | Bulgaria | Black Sea coast | Akhtopol, Achtepol, Achtopol, Agathopolis, Ahtapolu, Ahtopol, Akhtebol, Ахтопол | 1 | Daniel Jablonski, Daniel Koleška, Tomáš Husák | 14.06.2013 | 22.11.2013 | |
| id1281 | Natrix tessellata | Bulgaria | Black Sea coast | Brodilovo | 10 | Petr Balej | 08.05.2007 | 14.10.2007 | |
| id2114 | Natrix tessellata | Bulgaria | Black Sea coast | Brodilovo | 10 | Petr Balej | 08.08.2008 | 23.08.2008 | 1 juv. |
| id11734 | Natrix tessellata | Bulgaria | Black Sea coast | Brodilovo, Бродилово | 50 | Marek Jedlička | 20.06.2017 | 06.11.2017 | |
| id11726 | Natrix tessellata | Bulgaria | Black Sea coast | Brodilovo, Бродилово | 50 | Marek Jedlička | 20.06.2017 | 06.11.2017 | |
| id4597 | Natrix tessellata | Bulgaria | Black Sea coast | Burgas, Boergas, Bourgas, Burgasa, Burgaz, Burghaz, Μπουργκάς, Μπούργκας, Бургас, ブルガス, 布爾加斯 | - | Roman Šmejkal | 03.09.2010 | 20.10.2010 | |
| id42 | Natrix tessellata | Bulgaria | Black Sea coast | Carevo | 2 | Petr Balej | 02-03.07.2003 | 27.03.2006 | 3 juveniles |
| id7626 | Natrix tessellata | Bulgaria | Black Sea coast | Elenite | 80 | Miloslav Homolka | 05.-15.08.2013 | 19.08.2013 | |
| id8062 | Natrix tessellata | Bulgaria | Black Sea coast | Kiten, Mukhalii, Китен | 15 | Daniel Jablonski, Daniel Koleška, Tomáš Husák | 13.06.2013 | 13.11.2013 | |
| id1293 | Natrix tessellata | Bulgaria | Black Sea coast | Kosti | 50 | Petr Balej | 09.05.2007 | 19.10.2007 | road-killed juvenile |
| id1296 | Natrix tessellata | Bulgaria | Black Sea coast | Kosti | 20 | Petr Balej | 09.05.2007 | 20.10.2007 | about ten individuals |
| id1385 | Natrix tessellata | Bulgaria | Black Sea coast | Kosti | 50 | Petr Balej | 10.05.2007 | 14.11.2007 | adult |
| id10397 | Natrix tessellata | Bulgaria | Black Sea coast | Kosti, Кости | 31 | Ota Knobloch | 29.06.2015 | 06.09.2015 | |
| id11336 | Natrix tessellata | Bulgaria | Black Sea coast | Kosti, Кости | 20 | Jiří Hejduk, Ota Knobloch, Martin Vlček | 02.05.2017 | 29.06.2017 | |
| id11405 | Natrix tessellata | Bulgaria | Black Sea coast | Lozenets, Lozenec, Лозенец | 1 | Miroslav Tomeš | 19.07.2017 | 27.07.2017 | |
| id43 | Natrix tessellata | Bulgaria | Black Sea coast | Primorsko | 40 | Petr Balej | 09.07.2003 | 27.03.2006 | juvenile |
| id276 | Natrix tessellata | Bulgaria | Black Sea coast | Primorsko | 15-25 | Petr Vlček | 10.07.2005 | 26.05.2006 | road killed individual |
| id296 | Natrix tessellata | Bulgaria | Black Sea coast | Primorsko | 15-25 | Petr Vlček | 07.07.2005 | 10.06.2006 | - |
| id437 | Natrix tessellata | Bulgaria | Black Sea coast | Primorsko | 5 | František Brabec | 31.08.2006 | 19.09.2006 | 2 youngs |
| id438 | Natrix tessellata | Bulgaria | Black Sea coast | Primorsko | 10 | František Brabec | 31.08.2006 | 19.09.2006 | - |
| id623 | Natrix tessellata | Bulgaria | Black Sea coast | Primorsko | 15 | Petr Vlček | 14.07.2005 | 27.01.2007 | |
| id1172 | Natrix tessellata | Bulgaria | Black Sea coast | Primorsko | 5 | Petr Balej | 07.05.2007 | 01.09.2007 | abou ten of road-killed juveniles + 1 road-killed adult + 1 juv. alive |
| id1271 | Natrix tessellata | Bulgaria | Black Sea coast | Primorsko | 40 | Petr Balej | 07.05.2007 | 13.10.2007 | 2 individuals |
| id1273 | Natrix tessellata | Bulgaria | Black Sea coast | Primorsko | 3 | Petr Balej | 08.05.2007 | 13.10.2007 | |
| id2677 | Natrix tessellata | Bulgaria | Black Sea coast | Primorsko | - | Jan Richtr | 16.07.2007 | 15.01.2009 | dead on sea coast |
| id4167 | Natrix tessellata | Bulgaria | Black Sea coast | Primorsko, Kjuprija, Kyupriya, Приморско | - | Jan Richtr | VII.2009 | 25.07.2010 | |
| id8317 | Natrix tessellata | Bulgaria | Black Sea coast | Primorsko, Приморско | 20 | Petr Balej | 14.07.2013 | 12.01.2014 | road-killed adult |
| id8487 | Natrix tessellata | Bulgaria | Black Sea coast | Primorsko, Приморско | 10 | Petr Balej | 15.07.2013 | 24.04.2014 | road-killed adult |
| id8484 | Natrix tessellata | Bulgaria | Black Sea coast | Primorsko, Приморско | 15 | Petr Balej | 15.07.2013 | 24.04.2014 | road-killed individual |
| id9586 | Natrix tessellata | Bulgaria | Black Sea coast | Primorsko, Приморско | 10 | Petr Balej | 17.07.2013 | 27.09.2014 | road-killed adult |
| id9585 | Natrix tessellata | Bulgaria | Black Sea coast | Primorsko, Приморско | 10 | Petr Balej | 17.07.2013 | 27.09.2014 | road-killed adult |
| id6869 | Natrix tessellata | Bulgaria | Black Sea coast | Ropotamo, Ryeka Kargan, Tsarska, Zarska Ryeka, Ропотамо | 5 | Daniel Jablonski, Michal Rindoš | 23.04.2012 | 29.09.2012 | Dead on road. |
| id6871 | Natrix tessellata | Bulgaria | Black Sea coast | Ropotamo, Ryeka Kargan, Tsarska, Zarska Ryeka, Ропотамо | 7 | Daniel Jablonski, Michal Rindoš | 23.04.2012 | 29.09.2012 | Two adult specimens. |
| id7852 | Natrix tessellata | Bulgaria | Black Sea coast | Ropotamo, Ропотамо | 0 | Petr Balej | 15.07.2013 | 21.09.2013 | 1 adult in the sea swallowing captured fish |
| id8306 | Natrix tessellata | Bulgaria | Black Sea coast | Ropotamo, Ропотамо | 5 | Petr Balej | 15.07.2013 | 24.12.2013 | 1 subadult |
| id5539 | Natrix tessellata | Bulgaria | Black Sea coast | Sinemorets, Glandzha, Kalandzha, Sin'omorets, Sinemorec, Sinjomorez, Синеморец | - | Andrej Funk | 02.05.2011 | 29.08.2011 | |
| id4297 | Natrix tessellata | Bulgaria | Black Sea coast | Sinemorets, Sinemorec, Синеморец | - | Miloslav Homolka | 08.-16.07.2010 | 27.09.2010 | |
| id4317 | Natrix tessellata | Bulgaria | Black Sea coast | Sinemorets, Sinemorec, Синеморец | 35 | Miloslav Homolka | 08.-16.07.2010 | 04.10.2010 | |
| id4334 | Natrix tessellata | Bulgaria | Black Sea coast | Sinemorets, Sinemorec, Синеморец | 5 | Miloslav Homolka | 08.-16.07.2010 | 17.11.2010 | |
| id5555 | Natrix tessellata | Bulgaria | Black Sea coast | Sinemorets, Sinemorec, Синеморец | - | Andrej Funk | 02.05.2011 | 29.08.2011 | |
| id5551 | Natrix tessellata | Bulgaria | Black Sea coast | Sinemorets, Sinemorec, Синеморец | - | Andrej Funk | 02.05.2011 | 29.08.2011 | |
| id11720 | Natrix tessellata | Bulgaria | Black Sea coast | Sinemorets, Sinemorec, Синеморец | - | Marek Jedlička | 19.06.2017 | 06.11.2017 | |
| id122 | Natrix tessellata | Bulgaria | Black Sea coast | Sozopol | 1 | Petr Balej | 06.04.2005 | 27.03.2006 | 1 juvenile, 2 adults |
| id530 | Natrix tessellata | Bulgaria | Black Sea coast | Sozopol | - | František Brabec | VII.1989 | 23.11.2006 | - |
| id2274 | Natrix tessellata | Bulgaria | Black Sea coast | Sozopol | - | Ondřej Škach | IV.2004 | 28.09.2008 | few individuals |
| id2295 | Natrix tessellata | Bulgaria | Black Sea coast | Sozopol | 0 | Lukasz Szewczyk | 10.09.2008 | 05.10.2008 | |
| id5372 | Natrix tessellata | Bulgaria | Black Sea coast | Sozopol - Primorsko | - | Marek Jedlička | 13.05.2010 | 08.08.2011 | |
| id6569 | Natrix tessellata | Bulgaria | Black Sea coast | Sozopol, Apollonia, Sizebolu, Sizopol, Sosopol, Sozopol', Sozopolis, Σωζόπολη, Созопол, Созополь | 15 | Daniel Jablonski, Michal Rindoš | 20.04.2012 | 08.08.2012 | Four dead on road juvenile specimens. |
| id4596 | Natrix tessellata | Bulgaria | Black Sea coast | Tsarevo, Carevo, Царево | - | Roman Šmejkal | 04.09.2010 | 06.11.2010 | |
| id6773 | Natrix tessellata | Bulgaria | Black Sea coast | Tsarevo, Carevo, Царево | 1 | Miloslav Homolka | 08.08.2012 | 26.08.2012 | |
| id11319 | Natrix tessellata | Bulgaria | Black Sea coast | Tsarevo, Carevo, Царево | - | Jiří Hejduk, Ota Knobloch, Martin Vlček | 30.04.2017 | 06.06.2017 | |
| id2153 | Natrix tessellata | Bulgaria | Black Sea coast | Tuzlata | 20 | Petr Balej | 13.08.2008 | 23.08.2008 | 1 road-killed adult |
| id2178 | Natrix tessellata | Bulgaria | Black Sea coast | Varvara | 0 | Jakub Málek | 03.07.2008 | 24.08.2008 | |
| id6819 | Natrix tessellata | Bulgaria | Black Sea coast | Veleka | - | Petr Berka | 06.07.2012 | 06.09.2012 | |
| id8265 | Natrix tessellata | Bulgaria | Black Sea coast | Vizitsa, Vizhica, Vyzhitsa, Wisiza, Вижица | 160 | Daniel Jablonski, Daniel Koleška, Tomáš Husák | 18.06.2013 | 06.12.2013 | |
| id2836 | Natrix tessellata | Bulgaria | Danubian Plain | Bežanovo, Bezhanovo | 138 | Ilian Velikov | V.2009 | 14.05.2009 | |
| id2799 | Natrix tessellata | Bulgaria | Danubian Plain | Dolna Studena | 28-36 | Ilian Velikov | IV.2009 | 27.04.2009 | |
| id8520 | Natrix tessellata | Bulgaria | Danubian Plain | Koshov | - | Vlad Cioflec | 03.05.2014 | 05.05.2014 | |
| id2684 | Natrix tessellata | Bulgaria | Danubian Plain | Pisanec, Pisanets | cca 100 | Petr Balej | 05.09.2008 | 20.01.2009 | 1 juv. |
| id2307 | Natrix tessellata | Bulgaria | Danubian Plain | Srebarna | cca 10 | Petr Balej | 07.09.2008 | 13.10.2008 | 1 adult |
| id10734 | Natrix tessellata | Bulgaria | Eastern Rhodopes Mts. | Madzharovo, Dupnitsa, Dupniza, Madjarovo, Yatadzhik, Маджарово | - | Petra a Pavel Štěpánek | 31.08.2015 | 12.04.2016 | |
| id1093 | Natrix tessellata | Bulgaria | Eastern Rhodopes Mts. | Odrinci | 150 | Petr Balej | 04.05.2007 | 05.08.2007 | road-killed individual |
| id1583 | Natrix tessellata | Bulgaria | Rila Mts. | Bistrica, Bistritsa | - | Martin Vlček | 11.05.2001 | 26.01.2008 | |
| id542 | Natrix tessellata | Bulgaria | Struma valley | Damjanica | 200 | Petr Balej | 16.04.2006 | 27.11.2006 | observed a few individuals propably leaving their winter hibernating place |
| id620 | Natrix tessellata | Bulgaria | Struma valley | Damjanica | 130 | Petr Balej | 16.04.2006 | 27.01.2007 | |
| id10531 | Natrix tessellata | Bulgaria | Struma valley | Damyanitsa, Damjanica, Дамяница | 110 | Petr Balej | 22.05.2013 | 24.12.2015 | road-killed adult |
| id284 | Natrix tessellata | Bulgaria | Struma valley | Kresna | 250 | Petr Balej | 20.04.2006 | 02.06.2006 | freshly road killed juvenile, still alive, ssp. tessellata |
| id10045 | Natrix tessellata | Bulgaria | Struma valley | Kresna | - | Martin Vlček | 01.05.2015 | 02.06.2015 | |
| id1036 | Natrix tessellata | Bulgaria | Struma valley | Krupnik | 300 | Petr Balej | 30.04.2007 | 22.07.2007 | 2 road-killed juv. and adult. indivuduals |
| id10065 | Natrix tessellata | Bulgaria | Struma valley | Rupite, Kozhuh | - | Martin Vlček | 05.05.2015 | 02.06.2015 | |
| id4920 | Natrix tessellata | Bulgaria | Struma valley | Sandanski, Сандански | - | Roman Šmejkal | 03.05.2011 | 08.06.2011 | |
| id516 | Natrix tessellata | Bulgaria | Struma valley | Struma | 150 | Petr Balej | 15.04.2006 | 10.11.2006 | juvenile |
| id10099 | Natrix tessellata | Bulgaria | Struma valley | Struma, Струма | - | Martin Vlček | 07.05.2015 | 09.06.2015 | |
| id1422 | Natrix tessellata | Bulgaria | Vrachanska Planina Mts. | Darmanci, Darmantsi | 240 | Petr Balej | 15.05.2007 | 26.11.2007 | 1 adult + 1 subadult |
| id8798 | Natrix tessellata | Bulgaria | Western Rhodopes Mts. | Asenovgrad, Асеновград | 240 | Petr Balej | 18.05.2013 | 15.06.2014 | about 10 juveniles |
| id8806 | Natrix tessellata | Bulgaria | Western Rhodopes Mts. | Asenovgrad, Асеновград | 280 | Petr Balej | 18.05.2013 | 18.06.2014 | road-killed juvenile |
| id8805 | Natrix tessellata | Bulgaria | Western Rhodopes Mts. | Asenovgrad, Асеновград | 300 | Petr Balej | 18.05.2013 | 18.06.2014 | road-killed juvenile, Natrix sp. |
| id8804 | Natrix tessellata | Bulgaria | Western Rhodopes Mts. | Asenovgrad, Асеновград | 300 | Petr Balej | 18.05.2013 | 18.06.2014 | road-killed adult |
| id8803 | Natrix tessellata | Bulgaria | Western Rhodopes Mts. | Asenovgrad, Асеновград | 320 | Petr Balej | 18.05.2013 | 18.06.2014 | road-killed juvenile, Natrix sp. |
| id8834 | Natrix tessellata | Bulgaria | Western Rhodopes Mts. | Asenovgrad, Асеновград | 240 | Petr Balej | 18.05.2013 | 20.06.2014 | road-killed juvenile |
| id8833 | Natrix tessellata | Bulgaria | Western Rhodopes Mts. | Asenovgrad, Асеновград | 250 | Petr Balej | 18.05.2013 | 20.06.2014 | road-killed adult |
| id10253 | Natrix tessellata | Bulgaria | Western Rhodopes Mts. | Varvara, Варвара | 360 | Petr Balej | 20.05.2013 | 07.07.2015 | road-killed juvenile |
| id10251 | Natrix tessellata | Bulgaria | Western Rhodopes Mts. | Varvara, Варвара | 295 | Petr Balej | 20.05.2013 | 07.07.2015 | road-killed subadult |
| id10452 | Natrix tessellata | Bulgaria | Western Rhodopes Mts. | Varvara, Варвара | 380 | Petr Balej | 20.05.2013 | 03.10.2015 | road-killed juvenille |
| id10454 | Natrix tessellata | Bulgaria | Western Rhodopes Mts. | Varvara, Варвара | 390 | Petr Balej | 20.05.2013 | 10.10.2015 | about ten individuals |
| id8832 | Natrix tessellata | Bulgaria | Western Stara Planina Mts. | Asenovgrad, Асеновград | 280 | Petr Balej | 18.05.2013 | 20.06.2014 | road-killed juvenile |
| id2928 | Natrix tessellata | Bulgaria | Western Stara Planina Mts. | Pravec, Pravetz | 415 | Ilian Velikov | 07.06.2009 | 09.06.2009 | With a freshly cought Pumpkinseed (Lepomis gibbosus). |
| id4851 | Natrix tessellata | Croatia | Dalmatia | Krka | - | Filip Weber | 11.05.2011 | 19.05.2011 | |
| id9002 | Natrix tessellata | Croatia | Dalmatia | Krka National Park | 11 | Dominik Zerzán | 01.05.2007 | 09.07.2014 | |
| id557 | Natrix tessellata | Croatia | Dalmatia | Neretva | 5-10 | Petr Vlček | 03.05.2000 | 01.01.2007 | Hunting tactics of this ichthyophagous snakes consist of waiting for prey (here mainly introduced fish Gambusia affinis) on floating leaves of water-lily. Hunting individual has anterior part of body under water. |
| id6962 | Natrix tessellata | Croatia | Dalmatia | NP Krka - Skradinski buk | 15 | Marek Jedlička | 05.05.2012 | 22.10.2012 | |
| id533 | Natrix tessellata | Croatia | Dalmatia | Obrovac Sinjski | 300 | František Brabec | 13.08.2004 | 23.11.2006 | - |
| id1956 | Natrix tessellata | Croatia | Dalmatia | Ston | - | Roman Šmejkal | 18.06.2008 | 11.08.2008 | |
| id2845 | Natrix tessellata | Croatia | Dalmatia | Ston | - | Roman Šmejkal | 19.04.2009 | 17.05.2009 | |
| id3384 | Natrix tessellata | Croatia | Gorski Kotar | Gornji Zvečaj, Gornji Zvecaj, Zvecaj, Zvečaj | - | Boris Lauš | 13.04.2009 | 02.09.2009 | |
| id3386 | Natrix tessellata | Croatia | Gorski Kotar | Gornji Zvečaj, Gornji Zvecaj, Zvecaj, Zvečaj | - | Boris Lauš | 12.07.2009 | 02.09.2009 | |
| id3388 | Natrix tessellata | Croatia | Gorski Kotar | Gornji Zvečaj, Gornji Zvecaj, Zvecaj, Zvečaj | - | Boris Lauš | 18.07.2009 | 02.09.2009 | |
| id5764 | Natrix tessellata | Croatia | Gorski Kotar | Plitvička Jezera Nacionalni Park, Plitvicka Jezera Nacionalni Park | - | Marcel Kudláček | 24.09.2011 | 20.11.2011 | |
| id3778 | Natrix tessellata | Croatia | Mala Kapela | Plitvička Jezera Nacionalni Park, Plitvicka Jezera Nacionalni Park | - | Martin Plaček | 15.06.2008 | 29.04.2010 | |
| id9505 | Natrix tessellata | Croatia | Mala Kapela | Plitvička Jezera Nacionalni Park, Plitvicka Jezera Nacionalni Park | - | Petr Meduna | 08.2014 | 07.09.2014 | |
| id535 | Natrix tessellata | Croatia | Mala Kapela | Plitvička Jezera, Plitvice Lakes | 500 | František Brabec | 16.08.2004 | 23.11.2006 | - |
| id5202 | Natrix tessellata | Croatia | Mala Kapela | Plitvička Jezera, Plitvicka Jezera, Plitvicka Lakes | - | Marcel Kudláček | 19.05.2011 | 24.07.2011 | |
| id2283 | Natrix tessellata | Croatia | Slavonija | Nemetin | - | Vladimir Balen | 25.07.2006 | 29.09.2008 | |
| id2356 | Natrix tessellata | Croatia | Slavonija | Osijek | - | Vladimir Balen | 14.08.2007 | 08.11.2008 | |
| id11030 | Natrix tessellata | Croatia | Slavonija | Vukovar, Neo-Vukovar, Novi Vukovar, Ovukovar, Stari Vukovar, Ujvukovar, Valko, Valkovar, Valkó, Valkóvár, Vetus-Vukovar, Vukovaras, Vukovár, Wukowar, Óvukovár, Újvukovár, Вуковар, ヴコヴァル | - | Petr Stehlík | 14.06.2016 | 10.08.2016 | |
| id8563 | Natrix tessellata | Greece | Corfu | Límni Korissíon, Limni Korission, Lake of Corissa, Limni Korisa, Limni Korissia, Límni Koríssia, Límni Kórisa | - | Zdeněk Mačát, Martin Šandera | 06.08.2011 | 12.05.2014 | |
| id1876 | Natrix tessellata | Greece | Crete | Agia | 40 | Michal Čurda | 25.06.2008 | 07.07.2008 | |
| id1866 | Natrix tessellata | Greece | Crete | Agios Konstantinos | - | Kevin Byrnes | 06.06.2008 | 29.06.2008 | 1 seen |
| id1830 | Natrix tessellata | Greece | Crete | Eloúnda, Elounda | - | Kevin Byrnes | 04.06.2008 | 19.06.2008 | 1 seen in the sea |
| id481 | Natrix tessellata | Greece | Crete | Georgioupoli | 5 | Petr Vlček | 09.09.2006 | 27.09.2006 | - |
| id1831 | Natrix tessellata | Greece | Crete | Sitia | - | Kevin Byrnes | 07.06.2008 | 19.06.2008 | 2 seen |
| id10179 | Natrix tessellata | Greece | Epirus | Ammoudiá, Ammoudia, Ammoudhia, Ammoudhiá | 1 | Radek Polouček | 29.05.2015 | 13.06.2015 | |
| id4803 | Natrix tessellata | Greece | Macedonia | Karya | - | Thomas Reich | 30.04.2010 | 24.01.2011 | |
| id4538 | Natrix tessellata | Greece | Macedonia | Límni Kerkínis, Limni Kerkinis, Kerkinitis Limni, Limni Butkovou, Limni Kerkini, Límni Butkóvou, Límni Kerkíni | - | Martin Dobrota | 23.06.2008 | 05.10.2010 | |
| id9789 | Natrix tessellata | Greece | Macedonia | Límni Kerkínis, Limni Kerkinis, Kerkinitis Limni, Limni Butkovou, Limni Kerkini, Límni Butkóvou, Límni Kerkíni | - | Petra a Pavel Štěpánek | 19.10.2014 | 02.01.2015 | |
| id7729 | Natrix tessellata | Greece | Macedonia | Olinthos | - | Martin Dobrota | 22.08.2013 | 26.08.2013 | |
| id3133 | Natrix tessellata | Greece | Macedonia | Prespa e Vogël, Prespa e Vogel, Kleiner Presba-See, Lake Mala Prespa, Lake Mikra Prespa, Limni Mikra Prespa, Limni Mikri Prespa, Liqen i Prespes se Vogel, Liqen i Prespës së Vogël, Liqen' i Prespes Vogel, Liqen' i Prespës Vogël, Límni Mikrá Préspa, Límní Mikrí Préspa, Mala Presba, Ventrok Lake | - | Andreas Giaprakas | 2008 | 07.08.2009 | |
| id853 | Natrix tessellata | Greece | Macedonia | Volvi | 25 | Ilias Strachinis | 02.06.2007 | 06.06.2007 | juvenile |
| id1191 | Natrix tessellata | Greece | Macedonia | Volvi | 35 | Ilias Strachinis | 27.07.2007 | 04.09.2007 | |
| id5040 | Natrix tessellata | Greece | Peloponnese | Kaïáfas, Kaiafas, Kaiafa, Kaïáfa | - | Martin Dobrota | 24.06.2011 | 03.07.2011 | |
| id2290 | Natrix tessellata | Greece | Thrace | Dadia | - | Boris Demovič, Martin Dobrota | 17.09.2008 | 03.10.2008 | Dead. M. Dobrota saw also 3 alive juveniles. |
| id6501 | Natrix tessellata | Greece | Thrace | Evros delta | - | Petra a Pavel Štěpánek | 25.06.2012 | 29.07.2012 | |
| id6493 | Natrix tessellata | Greece | Thrace | Límni Mitrikoú, Limni Mitrikou, Limni Anakia, Limni Anakiou, Límni Anakíou, Límni Anákia | - | Petra a Pavel Štěpánek | 24.06.2012 | 29.07.2012 | |
| id6280 | Natrix tessellata | Macedonia | Macedonia | Ćoselari, Coselari, Coseleri, Keseler, Kjoselari, Koselari, Ćoseleri | - | Václav Prášek | 26.05.2007 | 15.05.2012 | |
| id4164 | Natrix tessellata | Macedonia | Macedonia | Elen Kamen - Kališta | - | Nenad Preradović | 05.07.2010 | 20.07.2010 | |
| id4158 | Natrix tessellata | Macedonia | Macedonia | Golem Grad island, Ostrovo Golem Grad, Ostrvo Sveti Petar, Ostrvo Velika Petra | - | Nenad Preradović | 09.07.2010 | 16.07.2010 | |
| id2696 | Natrix tessellata | Macedonia | Macedonia | Lazaropole | 800 | Lukáš Blažej | 16.06.2008 | 27.01.2009 | 5 adults |
| id1968 | Natrix tessellata | Macedonia | Macedonia | Stenje | 850 | Daniel Jablonski | 19.06.2007 | 20.08.2008 | dead specimen |
| id7171 | Natrix tessellata | Montenegro | Adriatic Sea coast | Ada Bojana | - | Nenad Preradović | 12.09.2012 | 15.03.2013 | |
| id7105 | Natrix tessellata | Montenegro | Adriatic Sea coast | Ulcinj, Dulcigno, UElguen, Ulqini, Ülgün, Улцинь, Улцињ, اولکون | 3 | Tomáš Klacek | 09.08.2012 | 08.02.2013 | |
| id353 | Natrix tessellata | Montenegro | Adriatic Sea coast | Zogajsko blato | 30 | Lukáš Blažej | 06.06.2006 | 29.07.2006 | 8 adult individuals observed |
| id1722 | Natrix tessellata | Montenegro | inland | Bijelo Polje | 575 | Daniel Jablonski | 12.06.2007 | 18.04.2008 | |
| id12011 | Natrix tessellata | Montenegro | inland | Biogradsko Jezero | - | Vojtěch Waldhauser | 18.09.2018 | 08.12.2018 | |
| id598 | Natrix tessellata | Montenegro | inland | Donje Polje | 800 | Konrad Mebert | 13.05.2005 | 13.01.2007 | |
| id2181 | Natrix tessellata | Montenegro | inland | Durdeviča Tara, Durdevica Tara | - | Zdeněk Rathouz | 15.08.2008 | 26.08.2008 | |
| id5182 | Natrix tessellata | Montenegro | inland | kaňon řeky Mrtvica | - | Martin Vlček | 28.06.2011 | 03.08.2011 | |
| id9206 | Natrix tessellata | Montenegro | inland | Luge | 818 | Dominik Zerzán | 28.07.2014 | 05.08.2014 | |
| id1531 | Natrix tessellata | Montenegro | inland | Međuriječje, Medurijecje | 600 | Martin Waldhauser | 16.07.2005 | 11.01.2008 | |
| id1917 | Natrix tessellata | Montenegro | inland | Slansko jezero | 614 | František Jůna | 25.05.2008 | 24.07.2008 | juvenile |
| id10330 | Natrix tessellata | Montenegro | Lake Skadar | Skadarské jezero | 9 | Dominik Zerzán | 19.07.2015 | 03.08.2015 | |
| id592 | Natrix tessellata | Montenegro | Lake Skadar | Skadarské jezero, Skadar lake | - | Petr Vlček | 28.06.1989 | 12.01.2007 | syntopic occurence with N. natrix |
| id360 | Natrix tessellata | Montenegro | Lake Skadar | Virpazar | - | Lukáš Blažej | 10.06.2006 | 01.08.2006 | youngs, head on the left N. tessellata, on the right N. natrix persa |
| id1361 | Natrix tessellata | Montenegro | Lake Skadar | Virpazar | - | Zita Bukovská | 21.07.2005 | 07.11.2007 | |
| id2920 | Natrix tessellata | Montenegro | Lake Skadar | Virpazar | 5 | Miloslav Homolka | 15.07.1985 | 06.06.2009 | hunting small fishes |
| id7896 | Natrix tessellata | Romania | Danube delta | Corbu | - | Vlad Cioflec | 12.10.2013 | 16.10.2013 | 1 |
| id12170 | Natrix tessellata | Romania | Danube delta | Halta Istria, Gara Caranasuf, Gara Istria, Halta Istritia | - | Olga Suldovská | 21.05.2019 | 21.05.2020 | |
| id9369 | Natrix tessellata | Romania | Danube delta | Istria, Caranasuf, Caranasut, Histria, Istrus, Karanasuf | - | Olga Suldovská | 08.05.2012 | 20.08.2014 | |
| id9365 | Natrix tessellata | Romania | Danube delta | Istria, Caranasuf, Caranasut, Histria, Istrus, Karanasuf | - | Olga Suldovská | 08.05.2012 | 20.08.2014 | |
| id12172 | Natrix tessellata | Romania | Danube delta | Istria, Caranasuf, Caranasut, Histria, Istrus, Karanasuf | - | Olga Suldovská | 21.05.2019 | 21.05.2020 | |
| id6618 | Natrix tessellata | Romania | Danube delta | Pescari, Coronini, Koronini | - | Petr Meduna | 24.07.2012 | 15.08.2012 | |
| id2725 | Natrix tessellata | Romania | Danube delta | Sfântu Gheorghe, Sfantu Gheorghe | 0 | Yann Rime | VIII.2008 | 19.02.2009 | |
| id3632 | Natrix tessellata | Romania | Danube delta | Sinoe | - | Vlad Cioflec | 10.01.2010 | 12.01.2010 | 4 dead specimens |
| id10212 | Natrix tessellata | Romania | Danube delta | Sulina | - | Peter Drengubiak | 2015 | 18.06.2015 | |
| id3736 | Natrix tessellata | Romania | Danube delta | Vadu | - | Vlad Cioflec | 11.04.2010 | 13.04.2010 | |
| id5713 | Natrix tessellata | Romania | Danube delta | Vadu | - | Petra a Pavel Štěpánek | 30.08.2006 | 25.10.2011 | |
| id10698 | Natrix tessellata | Romania | Danube delta | Vadu | - | Petra a Pavel Štěpánek | 25.05.2015 | 12.04.2016 | |
| id6235 | Natrix tessellata | Romania | Dobrudja | Baneasa | - | Vlad Cioflec | 22.04.2012 | 23.04.2012 | |
| id6302 | Natrix tessellata | Romania | Dobrudja | Dunarea | - | Vlad Cioflec | 13.05.2012 | 15.05.2012 | |
| id1182 | Natrix tessellata | Romania | Dobrudja | Enisala | - | Milena Pouchová | 2004 | 03.09.2007 | juvenile |
| id3738 | Natrix tessellata | Romania | Dobrudja | Enisala | - | Vlad Cioflec | 11.04.2010 | 13.04.2010 | |
| id5709 | Natrix tessellata | Romania | Dobrudja | Galita | - | Vlad Cioflec | 22.10.2011 | 25.10.2011 | 2 |
| id2466 | Natrix tessellata | Romania | Dobrudja | Gura Dobrogei | - | Vlad Cioflec | VIII.2007 | 13.11.2008 | juvenile |
| id2816 | Natrix tessellata | Romania | Dobrudja | Histria | - | Vlad Cioflec | 01.05.2009 | 04.05.2009 | adults and juveniles |
| id6296 | Natrix tessellata | Romania | Dobrudja | Jurilovca | - | Vlad Cioflec | 12.05.2012 | 15.05.2012 | |
| id3849 | Natrix tessellata | Romania | Dobrudja | Limanu | - | Vlad Cioflec | 08.05.2010 | 11.05.2010 | |
| id4605 | Natrix tessellata | Romania | Dobrudja | Mangalia, Mangalla, Mankalya | 0 | Roman Šmejkal | 31.08.2010 | 19.10.2010 | in sea |
| id8773 | Natrix tessellata | Romania | Dobrudja | Navodari | - | Vlad Cioflec | 25.05.2014 | 30.05.2014 | 2 |
| id7373 | Natrix tessellata | Romania | Dobrudja | Vadu | - | Petra a Pavel Štěpánek | 02.07.2013 | 12.07.2013 | |
| id7365 | Natrix tessellata | Romania | Dobrudja | Vadu | - | Petra a Pavel Štěpánek | 02.07.2013 | 12.07.2013 | |
| id3851 | Natrix tessellata | Romania | Dobrudja | Vlahii | - | Vlad Cioflec | 08.05.2010 | 11.05.2010 | |
| id7227 | Natrix tessellata | Romania | Dobrudja | Zebil | - | Vlad Cioflec | 28.04.2013 | 30.04.2013 | |
| id2465 | Natrix tessellata | Romania | Southern Carpathians | Baile Herculane | - | Vlad Cioflec | VIII.1993 | 13.11.2008 | juvenile |
| id9767 | Natrix tessellata | Romania | Southern Carpathians | Eibenthal, Ajbental, Eibental | - | Petra a Pavel Štěpánek | 08.07.2014 | 02.01.2015 | |
| id10477 | Natrix tessellata | Romania | Southern Carpathians | Gaura cu Musca | - | Petr Meduna | 05.2015 | 13.10.2015 | |
| id6611 | Natrix tessellata | Romania | Southern Carpathians | Pescari | - | Petr Meduna | 28.07.2012 | 15.08.2012 | |
| id10501 | Natrix tessellata | Romania | Southern Carpathians | Pescari, Coronini, Koronini | - | Petr Meduna | 05.2015 | 13.10.2015 | |
| id7835 | Natrix tessellata | Romania | Wallachian Plain | Branesti | - | Vlad Cioflec | 13.09.2013 | 16.09.2013 | 2 |
| id2336 | Natrix tessellata | Romania | Wallachian Plain | Bukurešť, Bucharest | 70 | Vlad Cioflec | VII.2007 | 04.11.2008 | Once declared extinct (in the city), i manage to rediscover a small and endangered population. |
| id2462 | Natrix tessellata | Romania | Wallachian Plain | Cernica | - | Vlad Cioflec | VIII.2008 | 13.11.2008 | adult |
| id7809 | Natrix tessellata | Romania | Wallachian Plain | Comana | - | Vlad Cioflec | 07.09.2013 | 08.09.2013 | 1 |
| id2464 | Natrix tessellata | Romania | Wallachian Plain | Crivina | - | Vlad Cioflec | VII.2006 | 13.11.2008 | adult |
| id2463 | Natrix tessellata | Romania | Wallachian Plain | Grădiştea, Gradistea | - | Vlad Cioflec | IX.2008 | 13.11.2008 | juvenile |
| id2461 | Natrix tessellata | Romania | Wallachian Plain | Mogoşoaia, Mogosoaia | - | Vlad Cioflec | V.2008 | 13.11.2008 | adults |
| id2764 | Natrix tessellata | Romania | Wallachian Plain | Olteniţa, Oltenita | 5 | Vlad Cioflec | 22.03.2009 | 25.03.2009 | one subadult basking on the railroad tracks |
| id11242 | Natrix tessellata | Serbia | Belgrade | Galovica, Surcin | - | Denis Ćoso | 12.09.2016 | 21.09.2016 | Adult specimen. |
| id8450 | Natrix tessellata | Serbia | Belgrade | Pariguz Lake, Resnik | - | Denis Ćoso | 04.04.2014 | 07.04.2014 | Several adults and juveniles in lake, and in channel near lake. |
| id7472 | Natrix tessellata | Serbia | Belgrade | Ripanj | - | Denis Ćoso | 24.08.2011 | 09.08.2013 | Several adults and two juveniles. On this photos are juvenile specimens. |
| id7466 | Natrix tessellata | Serbia | Belgrade | Ripanj | - | Denis Ćoso | 14.08.2011 | 09.08.2013 | Several adults. |
| id9154 | Natrix tessellata | Serbia | Belgrade | Ripanj | - | Denis Ćoso | 24.07.2014 | 29.07.2014 | One adult and three juvenile specimens. |
| id1156 | Natrix tessellata | Serbia | Belgrade | Surčin, Surcin | - | Aleksandar Simović | 29.04.2007 | 29.08.2007 | |
| id1213 | Natrix tessellata | Serbia | Belgrade | Surčin, Surcin | - | Aleksandar Simović | 02.09.2007 | 09.09.2007 | |
| id9132 | Natrix tessellata | Serbia | Belgrade | Trešnja, Tresnja | - | Denis Ćoso | 20.07.2014 | 22.07.2014 | Three juveniles. |
| id7510 | Natrix tessellata | Serbia | Belgrade | Zuce | - | Denis Ćoso | 29.04.2012 | 15.08.2013 | Several adults. |
| id7661 | Natrix tessellata | Serbia | Belgrade | Zuce | - | Denis Ćoso | 18.05.2013 | 20.08.2013 | Several adults and juveniles. On this photos is juvenile near ecdysis. |
| id917 | Natrix tessellata | Serbia | Carpathians | Golubac | - | Nenad Preradović | X.2005 | 26.06.2007 | young individual |
| id11629 | Natrix tessellata | Serbia | Dinaric Alps | Drežnik, Dreznik | - | Denis Ćoso | 16.08.2017 | 24.08.2017 | |
| id7579 | Natrix tessellata | Serbia | Dinaric Alps | Krčmare, Krcmare | - | Denis Ćoso | 27.04.2013 | 17.08.2013 | Dead on road. |
| id7591 | Natrix tessellata | Serbia | Dinaric Alps | Krčmare, Krcmare | - | Denis Ćoso | 28.04.2013 | 19.08.2013 | One dead on road specimen, and one adult in water. |
| id1256 | Natrix tessellata | Serbia | Dinaric Alps | Prijepolje | - | Aleksandar Simović | 15.07.2005 | 04.10.2007 | |
| id1141 | Natrix tessellata | Serbia | Dinaric Alps | Valjevo | - | Nenad Preradović | VII.2007 | 20.08.2007 | |
| id7937 | Natrix tessellata | Serbia | Dinaric Alps | Valjevo, Valjevas, Ваљево | - | Nenad Preradović | 28.10.2013 | 31.10.2013 | |
| id11651 | Natrix tessellata | Serbia | Dinaric Alps | Zagrađe, Zagrade | - | Denis Ćoso | 18.08.2017 | 24.08.2017 | Juvenile. |
| id2695 | Natrix tessellata | Serbia | Stara planina | Džep, Dzhep | cca 600 | Lukáš Blažej | 08.06.2008 | 27.01.2009 | 2 juveniles |
| id6479 | Natrix tessellata | Serbia | Stara planina | sukovo | - | Petra a Pavel Štěpánek | 16.06.2012 | 29.07.2012 | |
| id6597 | Natrix tessellata | Serbia | Vojvodina | Bela Crkva, Biserica Alba, Biserica Albă, Feheregyhaz, Fehertemplom, Fehéregyház, Fehértemplom, Fejeregyhaz, Fejéregyház, Ungarisch Weisskirchen, Weisskirchen, Weißkirchen | - | Petr Meduna | 27.07.2012 | 15.08.2012 | |
| id6981 | Natrix tessellata | Serbia | Vojvodina | Boljevci | - | Nenad Preradović | 25.03.2012 | 24.10.2012 | |
| id4951 | Natrix tessellata | Serbia | Vojvodina | Ledinci | - | Nenad Preradović | 27.03.2011 | 23.06.2011 | |
| id1137 | Natrix tessellata | Serbia | Vojvodina | Novi Sad | - | Nenad Preradović | VI.2007 | 19.08.2007 | |
| id1012 | Natrix tessellata | Serbia | Vojvodina | Obedska bara | 71 | Daniel Jablonski | 11.06.2007 | 17.07.2007 | Natrix tessellata on locality Obedska bara. |
| id5160 | Natrix tessellata | Serbia | Vojvodina | Obedska Bara | cca 75 | Nenad Preradović | 27.04.2011 | 14.07.2011 | |
| id8444 | Natrix tessellata | Serbia | Vojvodina | Obedska Bara | - | Denis Ćoso | 30.03.2014 | 01.04.2014 | Several adults and juveniles. |
| id8794 | Natrix tessellata | Serbia | Vojvodina | Obedska bara, Obrez | - | Nenad Preradović | 30.03.2014 | 31.05.2014 | |
| id3943 | Natrix tessellata | Serbia | Vojvodina | Zanoš (Sremski Karlovci) | - | Nenad Preradović | 28.05.2010 | 29.05.2010 | |
| id1727 | Natrix tessellata | Serbia | Vojvodina | Zasavica | 78 | Nenad Preradović | 16.04.2008 | 21.04.2008 | |
| id4090 | Natrix tessellata | Turkey | European Turkey | Ömerobaköy, Omerobakoy, Omeroba, Ömeroba | 287 | Daniel Jablonski | 22.05.2010 | 05.07.2010 | 1 juvenile specimen. |