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Subject (Region)
- Bulgaria296
- Sofia (Bulgaria)21
- Balkan Peninsula16
- Macedonia6
- Foreign countries4
- Europe3
- Macedonia (Republic)3
- Europe, Eastern2
- North Macedonia2
- Thrace2
- Turkey2
- Belogradchik (Bulgaria)1
- Dobruja (Romania and Bulgaria)1
- Europe, Central1
- Germany1
- Germany (East)1
- Middle East1
- Pliska (Bulgaria)1
- Plovdiv1
- Plovdiv (Bulgaria)1