沙皇城堡 是位于保加利亚北部大特尔诺沃的一座中世纪时期的要塞建筑。该建筑在1185年至1393年期间是保加利亚第二帝国最主要的要塞建筑，现在这里是一个受欢迎的旅游景点。
Trapezitsa is a medieval stronghold located on a hill with the same name in Veliko Tarnovo in northern Bulgaria.
The Shumen fortress is an archaeological site overlooking the city of Shumen in north-eastern Bulgaria.
巴巴维达城堡 是位于保加利亚西北部城市维丁的一座修建于中世纪时期的城堡。巴巴维达城堡也是保加利亚唯一一座保存完好的中世纪城堡。
The stronghold of Cherven was one of the Second Bulgarian Empire's primary military, administrative, economic and cultural centres between…
Sostra is an ancient Roman fort and settlement near the village of Lomets, Bulgaria.Impressive remains have been excavated and partially…
阿森要塞 是保加利亚罗多彼山脉的一座中世纪时期的要塞，位于阿塞诺夫格勒以南2至3千米 ，海拔高度是279米 。要塞保存状况最好的部分是圣母教堂。
Sostra is an ancient Roman fort and settlement near the village of Lomets, Bulgaria.Impressive remains have been excavated and partially…
