It is located in the southeast of the krai and borders Abansky District in the north, Irkutsk Oblast in the east and southeast, and Ilansky District in the south and west.

The area of the district is 6,143 square kilometers (2,372 sq mi).

[2] Its administrative center is the urban locality (an urban-type settlement) of Nizhny Ingash.

[2] The Trans-Siberian Railway runs through the district from west to east.

A part of the federal highway M53 passes through the district as well.