The area of the district is 318,000 square kilometers (123,000 sq mi).

[3] Its administrative center is the rural locality (a selo) of Olenyok.

Kyuyonelikeen and Kyuyonelekeen), Alakit, Siligir, Merchimden, Ukukit, Birekte, Kuoyka and Beyenchime, as well as the Anabar.

[2] As of the 2021 Census, the ethnic composition was as follows:[12] The economy of the district is mostly based on agriculture.

[2] There are deposits of diamonds, natural gas, and construction materials.