Chieftain’s Courtyard architectural complex combines two historical monument of the XVIII-XIX centuries (Ataman's Palace and the Church of Don). It is related to an influential Cossack family of the Yefremovs. Several representatives of this family became chieftains (atamans), who preserved and enhanced the family's wealth.
Ataman Danila Yefremov, a founder of the dynasty, was extremely ambitions and used examples of best Petersburg aristocratic houses in construction of his courtyard.
The family’s palace has 21 rooms of about 1,000 square meters.