Principality of Chernigov
While there are no historical records, archaeological evidence shows that a fortress settlement existed between the Oka River and Orlik Rivers as early as the 12th century, when the land was a part of the Principality of Chernigov. The name of the fortress is unknown; it may not have been called Oryol at the time. In the 13th century, the fortress became a part of the Zvenigorod district of the Karachev Principalinsty. In the early 15th century, the territory was conquered by the Grand Duchy of Lithuania. The city was soon abandoned by its population, after being sacked either by Lithuanians or the Golden Horde. The territory became a part of the Tsardom of Russia in the 16th century.