Semipalatinsk Oblast (; ) was an administrative division of the

Kazakh Soviet Socialist Republic The Kazakh Soviet Socialist Republic, also known as Soviet Kazakhstan, the Kazakh SSR, KSSR, or simply Kazakhstan, was one of the transcontinental country, transcontinental Republics of the Soviet Union, constituent republics of the Soviet Un ...

in the

Soviet Union The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...

, established on October 14, 1939 from parts of East Kazakhstan and Alma-Ata Oblasts.Decree of October 14, 1939 Upon

Kazakhstan Kazakhstan, officially the Republic of Kazakhstan, is a landlocked country primarily in Central Asia, with a European Kazakhstan, small portion in Eastern Europe. It borders Russia to the Kazakhstan–Russia border, north and west, China to th ...

's independence in 1991, the oblast continued to exist until 1997, when it was merged back into East Kazakhstan Oblast. In 2022, the region was reconstituted as the

Abai Region Abai Region (, ) is a Regions of Kazakhstan, region of Kazakhstan. President Kassym-Jomart Tokayev announced on 16 March 2022 that the region would be created. The area split off from East Kazakhstan Region when Tokayev's bill came into force on 8 ...

, with its administrative centre still located in

Semey Semey (; , formerly known as Semipalatinsk ( ) until 2007 and as Alash-Qala ( ) from 1917 to 1920, is a city in eastern Kazakhstan, in the Kazakh part of Siberia. When Abai Region was created in 2022, Semey became its administrative centre. I ...

. It contained the

Semipalatinsk Test Site The Semipalatinsk Test Site or Semipalatinsk-21 (; ), also known as "The Polygon", was the primary testing venue for the Soviet Union's nuclear weapons. It is located in Zhanasemey District, Abai Region, Kazakhstan, south of the valley of the Ir ...

, Dolon (air base) and Dolon Southwest air base.

References

https://en.m.wikipedia.org/wiki/Semipalatinsk_Oblast,_Kazakhstan

Sources

* 1930s establishments in the Kazakh Soviet Socialist Republic * {{AbaiRegion-geo-stub