Siberian Federal District is one of the eight federal districts of Russia. Its population was 17,178,298 according to the 2010 Census, living in an area of 4,361,800 square kilometers (1,684,100 sq mi). The entire federal district lies within the continent of Asia.

Irkutsk Oblast is a federal subject of Russia, located in southeastern Siberia in the basins of the Angara, Lena, and Nizhnyaya Tunguska Rivers. The administrative center is the city of Irkutsk. It borders the Republic of Buryatia and the Tuva Republic in the south and southwest, which separate it from Khövsgöl Province in Mongolia; Krasnoyarsk Krai in the west; the Sakha Republic in the northeast; and Zabaykalsky Krai in the east. It had a population of 2,370,102 at the 2021 Census.