[7] The area of the district is 50,000 square kilometers (19,000 sq mi).

[3] Its administrative center is the town of Nizhneudinsk.

[10] Within the framework of administrative divisions, Nizhneudinsky District is one of the thirty-three in the oblast.

[1] The town of Nizhneudinsk serves as its administrative center.

[7] The territory of Tofalariya is a small historical and cultural region located in the southwestern part of Nizhneudinsky District.