Region
Bulgaria
Balkan Peninsula
21
Romania
12
Turkey
12
Greece
9
Albania
6
Bulgarie
5
Europe
4
Macedonia
4
Thrace, Eastern (Turkey)
4
Former Yugoslav republics
3
Hungary
3
Khaskovo Region
3
Khaskovo Region (Bulgaria)
3
Orlovo Site (Bulgaria)
3
Serbia
3
Ukraine
3
Bosnia and Herzegovina
2
Europe, Eastern
2
Moldova
2
Orlovo Site
2
Ruse
2
Yugoslavia
2
Antarctica
1
Art collections
1
Austria
1
Austria-Hungary
1
Balkan Mountains
1
Black Sea
1
Black Sea Coast
1
Black Sea Coast (Bulgaria)
1
Black Sea Coast (Romania)
1
Black Sea Lowland
1
Black Sea Lowland (Ukraine)
1
Bosporus (Turkey)
1
Bulgaria Region
1
Bulgarien
1
Carpathian Mountains
1
Caucasus
1
Chaskowo
1
China
1
Danube River
1
Dardanelles Strait (Turkey)
1
Eastern Thrace
1
England
1
Gabrovo (Oblast)
1
Gabrovski okrŭg (Bulgaria)
1
Germany
1
Iberian Peninsula
1
India
1
more ...