Región
Russia (Federation)
Rusia
6
Soviet Union
6
European Union countries
4
China
3
Former Soviet republics
3
Russia
3
Unión Europea
2
21st century
1
Baikal, Lake
1
Baltic States
1
Baltic states
1
Caucasus, Northern
1
Caucasus, Northern (Russia)
1
Chechnia
1
Dagestan
1
Dagestan (Russia)
1
Federación de Rusia
1
Former communist countries
1
Kaliningrad (Kaliningradskaia oblast Russia)
1
Poland
1
Polonia
1
Rusia (Federación)
1
Siberia, Western
1
Unión Soviética
1
Volga River Region
1
Western countries
1