Chernihiv Oblast (Ukrainian: Чернігівська область, Chernihivska oblast), also referred to as Chernihivshchyna (Ukrainian: Чернігівщина), is an oblast (province) in northern Ukraine. The administrative center of the oblast is the city of Chernihiv. There are 1,511 settlements in the oblast, with a total population of 959,315 (2022 estimate).
