Rivne Oblast (Ukrainian: Рівненська область, translit. Rivnenska oblast) is an oblast (province) of Ukraine. Its administrative center is Rivne. The area of the region is 20,100 km²; population: 1,152,961 (2020 est.). Previously part of the Second Republic of Poland's Wojewódstwo Wołyńskie and earlier the Ukrainian People's Republic's Volhynian Governorate, the Rivne Oblast was created as part of the Ukrainian Soviet Socialist Republic on December 4, 1939 after the Soviet invasion and occupation of eastern Poland on 17 September 1939.
Before 1992, under the policy of Russification, the region was officially known under its Russian name of Rovno Oblast. Afterwards, it was called by its Ukrainian name Rivnenshchyna - Ukrainian: Рівненщина.
The Rivne Nuclear Power Plant is located in the oblast, near the city of Varash.
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