Region
Abchasien
1
Abkhazia
1
Abkhazia (Georgia)
1
Achit (Russia)
1
Africa
2
Ajaria
2
Ajaria (Georgia)
2
Albania
5
Aral Sea Watershed (Uzbekistan and Kazakhstan)
2
Asia
10
Asia, Central
19
Azerbaijan
2
Balkan Peninsula
9
Baltic Sea Region
1
Baltic States
5
Barnaul (Altaĭskiĭ kraĭ)
1
Barnaul (Altaĭskiĭ kraĭ, Russia)
1
Bednodemʹi︠a︡novsk (Russia)
1
Belarus
5
Bergkarabach
1
Bishkek
1
Bishkek (Kyrgyzstan)
1
Budapest
1
Budapest (Hungary)
1
Bulgaria
10
Caucasus
2
Caucasus Region
1
Caucasus, Northern
2
Caucasus, Northern (Russia)
2
Caucasus, South
1
China
29
Communism
1
Communist countries
9
Croatia
2
Cuba
4
Czech Republic
9
Czechoslovakia
5
Developing countries
4
East Asia
2
Estonia
3
Eurasia
3
Europe
40
Europe, Central
47
Europe, Eastern
265
Europe, Northern
1
Europe, Southern
1
Europe, Western
2
European Union countries
5
Former Soviet republics
69
Former Yugoslav republics
4
more ...