Natrix maura (LINNAEUS, 1758)
Viperine Snake

Portugal, Spain, Andorra, France, Switzerland, Italy, Morocco, Algeria, Tunisia, Libya

Natrix natrix (LINNAEUS, 1758)
Grass Snake

Norway, Sweden, Finland, Denmark, United Kingdom, Portugal, Spain, Andorra, France, Monaco, Belgium, Netherlands, Luxembourg, Germany, Poland, Lithuania, Latvia, Estonia, Belarus, Russia, Ukraine, Moldova, Switzerland, Liechtenstein, Austria, Czech Republic, Slovakia, Italy, San Marino, Slovenia, Croatia, Bosnia and Herzegovina, Serbia, Montenegro, Macedonia, Albania, Hungary, Romania, Bulgaria, Greece, Cyprus, Turkey, Syria, Georgia, Armenia, Azerbaijan, Iran, Turkmenistan, Uzbekistan, Kazakhstan, Mongolia, China, Morocco, Algeria, Tunisia, Libya

Natrix tessellata (LAURENTI, 1768)
Dice Snake

Germany, Russia, Ukraine, Moldova, Switzerland, Austria, Czech Republic, Slovakia, Italy, Slovenia, Croatia, Bosnia and Herzegovina, Serbia, Montenegro, Macedonia, Albania, Hungary, Romania, Bulgaria, Greece, Turkey, Syria, Iraq, Lebanon, Israel, Jordan, Georgia, Armenia, Azerbaijan, Iran, Turkmenistan, Uzbekistan, Kazakhstan, Kyrgyzstan, Tajikistan, Afghanistan, Pakistan, Mongolia, China, Egypt