During centuries, fortification walls and towers were built to protect ancient Nessebar. The first inhabitants on the peninsu ...
Tsarevets is a medieval stronghold located on a hill with the same name in Veliko Tarnovo in northern Bulgaria. It served as ...
Baba Vida is a medieval castle in Vidin in northwestern Bulgaria and the town"s primary landmark. It consists of two con ...
The Belogradchik Fortress,also known as Kaleto, is an ancient fortress located on the north slopes of the Balkan Mountains, c ...
Kaliakra is a long and narrow headland in the Southern Dobruja region of the northern Bulgarian Black Sea Coast, located 12 k ...
Cherven was one of the Second Bulgarian Empire"s primary military, administrative, economic and cultural centres between ...
The Roman Wall is the popular but incorrect name for an early Ottoman-era architectural monument in Sofia, the capital of Bu ...
Hisarlaka Fortress is an ancient and medieval fortress occupying a hill at 2 kilometres south-east of Kyustendil. Originally ...
Shumen Fortress is an archaeological site overlooking the city of Shumen in north-eastern Bulgaria. It is an ancient fortress ...
Nestled along the Golyama Kamchia River, just 30 km from Pliska, the capital of the First Bulgarian Empire, Veliki Preslav st ...
Ovech Fortress is a stone stronghold located east of the town of Provadia. Archaeological research established that the fortr ...
Named after the 11th-century Bulgarian boyar Krakra of Pernik, this fortress played a key role in defending the First Bulgari ...
The Medjidi Tabia Fortress was built in the period 1841-1853 according to the plans of the German military engineer Helmut ...
Trapezitsa is located on a hill around which the Yantra River winds in Veliko Tarnovo. Steep cliffs make the place difficult ...
Tuida was an early Byzantine and medieval fortress, the remains of which are located on the hill of Hisarlaka in the northeas ...
The late antiquity and medieval Palmatis fortress is placed at the east end of Onogur village. The Roman road between Durosto ...
Ruins of the medieval town-fortress Hotalich are located 4km north-west from the today`s town of Sevlievo. The fortress was b ...
Markeli was a key medieval fortress on the Byzantine-Bulgarian frontier, located near modern-day Karnobat in southeastern Bul ...