The East Siberian Oblast was an early

oblast An oblast ( or ) is a type of administrative division in Bulgaria and several post-Soviet states, including Belarus, Russia and Ukraine. Historically, it was used in the Russian Empire and the Soviet Union. The term ''oblast'' is often translated i ...

of the

Russian Soviet Federative Socialist Republic The Russian Soviet Federative Socialist Republic (Russian SFSR or RSFSR), previously known as the Russian Socialist Federative Soviet Republic and the Russian Soviet Republic, and unofficially as Soviet Russia,Declaration of Rights of the labo ...

, which existed from December 5, 1936 to September 26, 1937. It was created when the

East Siberian Krai East Siberian Krai () is an administrative-territorial unit in the RSFSR, which existed from July 30, 1930, to December 5, 1936. The administrative center is the city of Irkutsk. History On July 30, 1930, as a result of breakdown, the Siberi ...

was divided into the East Siberian Oblast and the

Buryat Autonomous Soviet Socialist Republic The Buryat Autonomous Soviet Socialist Republic, abbreviated as Buryat ASSR, was an autonomous republic of the Russian SFSR within the Soviet Union. History In May 1923, the republic was created with the name Buryat-Mongol Autonomous Sovie ...

in 1936 and ceased to exist after being split into the

Irkutsk Oblast Irkutsk Oblast (; ) is a federal subjects of Russia, federal subject of Russia (an oblast), located in southeastern Siberia in the basins of the Angara River, Angara, Lena River, Lena, and Nizhnyaya Tunguska Rivers. The administrative center is ...

and the

Chita Oblast Chita Oblast ( rus, Чити́нская о́бласть, r=Čitínskaja óblastj, p=tɕɪˈtʲinskəjə ˈobləsʲtʲ) was a federal subject of Russia (an oblast) in southeast Siberia, Russia. Its administrative center was the city of Chita. ...

in 1937. According to the

1937 All-Union Census The 1937 Soviet census held on January 6, 1937, was a censuses taken within the Soviet Union. The census showed lower population figures than anticipated, although it still showed a population growth from the last census in 1926, from 147 millio ...

, its population was 1,897,049 persons. The Oblast was made up of 45 districts and its administrative centre was the city of

Irkutsk Irkutsk ( ; rus, Иркутск, p=ɪrˈkutsk; Buryat language, Buryat and , ''Erhüü'', ) is the largest city and administrative center of Irkutsk Oblast, Russia. With a population of 587,891 Irkutsk is the List of cities and towns in Russ ...

References

Oblasts of the Russian Soviet Federative Socialist Republic {{russia-hist-stub