Região
Eastern Europe
13
Europe, Eastern
Central Europe
6
Europe, Central
6
Europe centrale
3
Soviet Union
3
Russia (Federation)
2
Russie
2
2
1
Asia, Central
1
Balkan Peninsula
1
Balkans (Région)
1
Central Asia
1
Communist countries
1
Czech Republic
1
Europe
1
Europe de l'Est
1
Europe orientale
1
Europe, Southern
1
Former Soviet republics
1
Slovenia
1
Slovénie (Yougoslavie)
1
Southern Europe
1