Semikarakorsk [SEP] inception
Semikarakorsk
Semikarakorsk () is a town and the administrative center of Semikarakorsky District in Rostov Oblast, Russia, located on the left bank of the Don River, northeast of Rostov-on-Don, the administrative center of the oblast. Population: 
History.
The "stanitsa" of Semikarakorskaya (), which was founded by the Don Cossacks, was known since 1672. The "stanitsa" changed its location frequently due to Don's flooding and finally was moved to its present location in 1845. It was
Semikarakorsk Fortress
Semikarakorsk Fortress () was an early medieval Khazar fortification situated near the city of Semikarakorsk (Rostov Oblast, Russia).
History and description.
An early medieval Khazar fortress in Rostov Oblast near the city of Semikarakorsk was built in the late 8th - early 9th century. It was situated on the island hill near Semikarakorsk. The island itself is located at the Sal River.
The fortress was a residence of Khazar Khagans on the Lower Don, and it was four times larger than the -- a