Region
Russia (Federation)
United States
42
Outer space
6
Mars (Planet)
2
Siberia
2
Afghanistan
1
Arctic regions
1
Balkan Peninsula
1
Canada
1
China
1
Denmark
1
Finland
1
Iceland
1
India
1
Japan
1
Korea (South)
1
Kulunda Steppe
1
Moon
1
Northwest Coast of North America
1
Norway
1
Siberia (Russia)
1
Soviet Union
1
Sweden
1