Irkutsk Oblast (Russian: Иркутская область) is a constituent entity of the Russian Federation with the status of an oblast in the southeastern part of the Siberian Federal District in the Asian part of Russia.
The administrative center of the region is the city of Irkutsk.
The area is named after the administrative center, the city of Irkutsk. The name of the city comes from the river Irkut, near which the Irkutsk prison was first built in 1661, and then the city of Irkutsk developed.
There are several theories about the hydron of the Irkut River, but there is agreement that it is from the Mongol-Buryat word irhu (burjat. Yrhu), which means strength, energy, speed, turning, etc.
Irkutsk is an administrative center with a population of 594,500. Other major cities are Angarsk (267,000), Bratsk (253,600), Usolye-Siberian (104,300), and Ust-Ilimsk (107,200 inhabitants).
The population of the area is 2.77 million, of which 79.6% of the population lives in urban areas while 20.4% live in rural areas. The population density is 3.5 inhabitants per square kilometer, while the average population density in Russia is 8.7.
Administrative division of Russia