Bulgaria
43 castles
Monyak castle
Bulgaria
Nesebar fortifications
Bulgaria
Ovech Fortress castle
Bulgaria
Patmos Fortress castle
Bulgaria
Peristera Fortress castle
Bulgaria
Perperikon castle
Bulgaria
Plovdiv fortifications
Bulgaria
Shumen Fortress castle
Bulgaria
Sostra castrum
Bulgaria
Storgosia fort
Bulgaria
Trapezitsa fortress
Bulgaria
Tsarevets castle
Bulgaria
Tsepina castle
Bulgaria
Urvich castle
Bulgaria
Ustra castle
Bulgaria
Vishegrad Fortress castle
Bulgaria
Krasen castle
Bulgaria
Ktenia castle
Bulgaria
Lardea castle
Bulgaria