Geographic Subject
Russia (Federation)
7
Soviet Union
6
Ukraine
3
Volga River Region
3
Belarus
2
Ural Mountains Region
2
Azerbaijan
1
Central Chernozem Region
1
Kaluzhska︠i︡a oblastʹ
1
Kazakhstan
1
R︠i︡azanska︠i︡a oblastʹ
1
Tulʹska︠i︡a oblastʹ
1
Tunis
1
Tunisia
1
United States
1
Ural Mountains Region (Russia)
1
Volga River Valley
1