Region
Romania
Hungary
6
Bulgaria
4
Slovakia
3
Ukraine
3
Balkan Peninsula
2
Serbia
2
Yugoslavia
2
Bessarabia (Moldova and Ukraine)
1
Bosnia and Herzegovina
1
Bucegi Mountains
1
Bucegi Mountains (Romania)
1
Bulgaria Region
1
Croatia
1
Czechoslovakia
1
Danube River Delta (Romania and Ukraine)
1
Eastern Thrace
1
Estonia
1
Europe, Central
1
Făgăraș Mountains
1
Făgăraș Mountains (Romania)
1
Greece
1
Latvia
1
Lithuania
1
Moldova
1
Soviet Union
1
Thrace, Eastern (Turkey)
1
Transylvania
1
Transylvania (Romania)
1
Turkey
1
Wallachia
1