Nizhyn is a city located in Chernihiv Oblast of northern Ukraine along the Oster River. The city is located 116 km (72 mi) north-east of the national capital Kyiv. Nizhyn serves as the administrative center of Nizhyn Raion. It hosts the administration of Nizhyn urban hromada which is one of the hromadas of Ukraine and was once a major city of the Chernigov Governorate. Nizhyn has a population of 65,830.