Rivne Oblast, also referred to as Rivnenshchyna, is an oblast in western Ukraine. Its administrative center is Rivne. The surface area of the region is 20,100 square kilometres. Its population is: 1,141,784.Before its annexation by the Soviet Union during World War II, the region was part of the Second Polish Republic's Wołyń Voivodeship following the Polish–Soviet War. Previously it was part of the Volhynian Governorate.
The Rivne Nuclear Power Plant is located in the oblast, near the city of Varash.
Wikipedia https://en.wikipedia.org/wiki/Rivne_Oblast
Coordinates 50°37'10.623" N 26°15'4.739" E