Chernihiv Oblast (Ukrainian: Чернігівська область, translit. Chernihivs’ka oblast’; also referred to as Chernihivshchyna - Ukrainian: Чернігівщина) is an oblast (province) of northern Ukraine. The administrative center of the oblast is the city of Chernihiv however within the entire Oblast are 1,511 settlements of various sizes ranging from large cities to very small villages. Population: 1,055,673 (2015 est.)

The total area of the province is around 31,900 km².

The oblast is bordered on the west by the Kiev Reservoir of the Dnieper River and Kiev Oblast, by the Sumy Oblast to the east, and the Poltava Oblast to the south. The northern border of the oblast is part of Ukraine's international border abutting Belarus's Homyel Voblast in the north-west and the Russian Bryansk Oblast in the north-east, respectively.

The oblast is bisected into northern and southern sections by the Desna River, which enters the Dnieper just north of the Kiev city limits.

Chernihiv Oblast was created as part of the Ukrainian Soviet Socialist Republic on 15 October 1932.

The capital city of Chernihiv has known human settlement for over 2,000 years, according to archaeological excavations. The Chernihiv Oblast comprises a very important historical region, notable as early as the Kievan Rus' period, when the cities of Chernihiv and Novhorod-Siverskyi were frequently mentioned. The city of Chernihiv was the second most important Ukrainian city during the Rus' period of Ukrainian history, often serving as a major regional capital. Danylo of Chernihiv wrote of his pilgrimage to Jerusalem during this era. The numerous architectural monuments of the city bear witness to the invasions suffered, including those by the Tatars/Mongols, Lithuanians, Poles, Russians, and Nazis. On the territory of the region took place numerous tragic events such as Battle of Kruty, Tragedy of Kryukivka, and many others.

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