Adder

Continent: Asia
Distribution: Russia (northern slope of Caucasus)
Type locality: S Russia (N Caucasus), Georgia

Continent: Asia
Distribution: Ukraine (vicinity of Kharkhov), Central and S Russia
Type locality: near the city of Kharkov, Ukraine

Continent: Asia Europe
Distribution: Norway, Sweden, Finland, France, Denmark, Germany, Austria, Switzerland, N Italy, Belgium, Netherlands, Great Britain, Poland, Czech Republic (formerly Czechoslovakia), Hungary, Romania, Belarus, Turkey, Bulgaria, Albania, Yugoslavia: Croatia, Slovenia, Macedonia, Bosnia-Hercegowina, Monte Negro, Macedonia, Serbia, Estonia, Latvia, Lithuania, Russia, Mongolia, North Korea, NW China (N Xinjiang, Jilin) bosniensis: Bosnia, Croatia, Serbia, Macedonia, Montenegro, N Albania, N Greece, Hungary sachalinensis: E Russia (Sachalin Island and adjacent mainland)
Type locality: Uppsala, Sweden

Continent: Asia
Distribution: Amur Oblast, Primorskye Kray and Khabarovsk Kray (Far East, Russia), Sakhalin Island (Russia), NE China, North Korea