m, surrounded by north and east reefs, which in their present form successfully fulfill the role of natural breakwater, which is almost identical to that described by Karel Shkorpil ancient harbor and second part - a deeper bay, located just south of the basin. Old descriptions of the Cape Shabla area mention that the reefs were once overlooked by an artificial construction, which refers to the Thracian facility precisely to the Limen category, the existence of which is confirmed in the Caron Limen toponym itself. According to Arian, "the land around the Port of Kari is called Karia." Looking at the vast and relatively low coastal terrace located west of the ancient port, much of which is occupied with the remains of the said vast settlement and its necropolises. This clarifies that Caria is not an abstract geographical concept, but a specific place name, representing the ancient name of the Thracian coastal settlement, and Caron Limen being the name of its port. The entire nose area of about 25 hectares is littered with archeological monuments. Although the coastline today is different from that of antiquity, the accidental finds, terrain crawls, excavations carried out in 1976 - 1979, and underwater surveys in 1962,1979 and 1980 undoubtedly confirmed the existence of this site in the Chronicles described as significantly antique. settlement. The antique fort, located on the very head, just south of the Shabla lighthouse, is well researched. The preserved part of the fort is 12 x 60 m in size. The western part of the northern fort wall was studied from the outside and face in 1978–79. It is almost 2 m thick; preserved altitude 1.80 m. Through the 1995-96 drilling, archaeological excavations revealed the route of the western fortress wall and partially explored the southwestern tower. The site has been declared a cultural monument by letter No 4267 / 23.12.1985 from the National Research Institute. A flooded settlement of the Bronze Age, an ancient necropolis, ancient remains of boats made only with wooden assemblies and a few medieval wrecks were fixed under water opposite the Shabla Tuzla. The Antarctic Peninsula Peak is named after the ancient Caria. Middle Ages and Modernity In the early Middle Ages, the area devastated by the barbarian invasions was populated by the Bulgarians and Slavs, and since the founding of the Bulgarian state was part of it. After the failure of Vladislav Varnenchik's crusade against