[citation needed] Its administrative center is the rural locality (a selo) of Sedelnikovo.

That year Cossack ataman Yermak Timofeyevich defeated Kuchum Khan at the Battle of Chuvash Cape.

Although Yermak was eventually killed after sacking Qashliq to the east, the Russian Empire retained control of the region.

The area was secured in 1594 when Prince Andrey Yeletsky established a permanent garrison at Tara to the southwest.

[citation needed] Administratively, the district is divided into eleven rural okrugs (Bakinsky, Golubovsky, Keyzessky, Kukarsky, Novouysky, Ragozinsky, Saratovsky, Sedelnikovsky, Unarsky, Yevlansky, and Yelnichny) comprising thirty-four rural localities.