Region
Soviet Union
18
Russia (Federation)
12
Cuba
3
Former Soviet republics
3
Earth
2
Kamchatka Peninsula
2
Mongolia
2
Siberia, Eastern
2
Armenia
1
Azov, Sea of, Region (Ukraine and Russia)
1
Caucasus, Northern (Russia)
1
Czechoslovakia
1
India
1
Kazakhstan
1
Khibiny Mountains
1
Kolar (District)
1
Kuril Islands
1
Norilsk Region
1
Norilʹsk
1
Primorskiĭ kraĭ
1
Sakha
1
Tien Shan
1
Timan Ridge
1
Transbaikalia
1
Ural Mountains Region
1