Region
Soviet Union
United States
35
Former Soviet republics
27
Israel
22
Russia (Federation)
22
Ukraine
14
Europe, Eastern
13
Eastern Europe
11
Chornobylʹ
9
West Bank
9
Belarus
8
URSS
8
Middle East
7
Russia
6
Europe
5
France
5
Lebanon
5
Europe, Central
4
Germany
4
Iraq
4
Jerusalem
4
Arctic Ocean
3
Central Europe
3
Egypt
3
Ekaterinburg
3
Ex-URSS
3
Finland
3
Golan Heights
3
India
3
Jordan
3
North Pacific Ocean
3
Sverdlovsk
3
USSR
3
Ural Mountains Region
3
Ural Mountains Region (Russia)
3
Afghanistan
2
China
2
Chornobylʹ Region
2
Cyprus
2
England
2
Europe de l'Est
2
États-Unis
2
Great Britain
2
Hungary
2
Japan
2
Kazakhstan
2
Kineret
2
Lybia
2
Moscow
2
Russie
2
more ...