Geographic Subject
Soviet Union
12
Russia (Federation)
7
Sweden
6
Former Soviet republics
4
Africa, West
2
Karelia
2
Asia, Southeastern
1
Austria
1
Caucasus, Northern
1
Congo (Democratic Republic)
1
Doiran, Lake (Greece and North Macedonia)
1
Estonia
1
Europe
1
Ile Amsterdam
1
India
1
Lake Doiran (Greece and North Macedonia)
1
Murmanska︠i︡a oblastʹ
1
Philippines
1
Russia, Northern
1
Russian Far East
1
Russian Republic
1
Rybinsk Reservoir
1
Saint Petersburg
1
South Asia
1
Tajikistan
1
Tuva
1
Upemba National Park
1
Yugoslavia
1