Earthworks built in the seventh century on the border between the Bulgarian Empire and Bizancium. "Erkesiata" is the largest and most famous protected fortification south of the Danube, in the area of the vast territory of Bulgaria during the VIII - X century. It is part of the system of fortified shafts, built in all border buffer zone of the Bulgarian state.
Deultum [Debelt, Дебелт]
Ruins of ancient city Deultum. Debelt is a modification of the name of the antique town Deultum and the medieval Develt.
Deultum [Debelt, Дебелт] - Temple
Originally Thracian sanctuary - during the 1th.-2nd century converted to Roman tepmple of Asclepios and Roman Imperial cult temple.