Region
Bulgaria
Balkan Peninsula
17
Bulgarie
15
Turkey
12
Soviet Union
11
Bulgaria Region
8
Sofia
7
Europe
5
Austria
4
Foreign countries
4
Germany
4
Macedonia
4
Romania
4
Thrace
4
Vienna
4
Yugoslavia
4
Byzantine Empire
3
Balkans
2
Eastern Rumelia
2
Greece
2
Hungary
2
Italy
2
Plovdiv
2
Plovdiv (Bulgaria)
2
Plovdivski okrŭg (Bulgaria)
2
Serbia
2
Stara Zagora
2
Sweden
2
Ukraine
2
Albania
1
Arab countries
1
Armenia
1
Bibliography
1
Black Sea Coast
1
Black Sea Coast (Bulgaria)
1
Bulgarien
1
Burgaska oblast
1
Czech Republic
1
Dobruja (Romania and Bulgaria)
1
England
1
Europe, Eastern
1
Exhibitions
1
Gabrovo
1
Gabrovo (Bulgaria)
1
Gabrovo (Gabrovo)
1
Gabrovo (Gabrovo, Bulgaria)
1
Germany (East)
1
Istranca Mountains Region
1
Istranca Mountains Region (Turkey and Bulgaria)
1
I͡Ambolski okrŭg (Bulgaria)
1
more ...