Oblast
Europe, Eastern
54
Eastern Europe
42
Europe, Central
11
Central Europe
9
Soviet Union
9
Europe
6
Europe de l'Est
6
Former Soviet republics
6
Europe centrale
4
Russia (Federation)
4
Europe orientale
3
Russie
3
2
2
Balkan Peninsula
2
Communist countries
2
Czech Republic
2
Europa oriental
2
Spain
2
4
1
Asia
1
Asia, Central
1
Balkans (Région)
1
Central Asia
1
Developing countries
1
Eurasia
1
Eurasie
1
Europa Central
1
Europa Oriental
1
Europa del Este
1
Europe, Southern
1
European Union countries
1
Ex-URSS
1
Hungary
1
Lithuania
1
Oost-Europakunde
1
Oriente de Europa
1
Pays en voie de développement
1
Rusia (Federación)
1
Slavic countries
1
Slovenia
1
Slovénie (Yougoslavie)
1
Southern Europe
1
URSS
1
Unión Europea
1
United States
1