Nizhyn Raion
On 18 July 2020, as part of the administrative reform of Ukraine, the number of raions of Chernihiv Oblast was reduced to five, and the area of Nizhyn Raion was significantly expanded. Four abolished raions, Bakhmach, Bobrovytsia, Borzna, and Nosivka Raions, as well as the city of Nizhyn, which was previously incorporated as a city of oblast significance and did not belong to the raion, were merged into Nizhyn Raion. The January 2020 estimate of the raion population was