Voronezh Oblast (Russian: Воро́нежская о́бласть, Voronezhskaya oblast) is a federal subject of Russia (an oblast). Its administrative center is the city of Voronezh. Its population was 2,335,380 as of the 2010 Census.

Voronezh Oblast is the birthplace of Pavel Cherenkov, co-recipient of the 1958 Nobel Prize in Physics.

Voronezh Oblast borders internally with Belgorod Oblast, Kursk Oblast, Lipetsk Oblast, Tambov Oblast, Saratov Oblast, Volgograd Oblast and Rostov Oblast and internationally with Ukraine.

Voronezh Oblast is located in the central belt of the European part of Russia, in a very advantageous strategic location, transport links to the site going to the industrial regions of Russia. Within the radius (12 hours of driving 80 km/h) 960 kilometers around Voronezh more than 50% of the population Russia, and 40% in Ukraine live.

The area of the region - 52.4 thousand km², which is about one third of the whole area of Central Black Earth Region. The length of the region from north to south - 277.5 km, and from west to east - 352 km. Much of the area is steppe, among the predominant soil fertile soil black earth.

The oblast has 738 lakes and ponds in 2408, in 1343 the river flows over 10 km long. The main river is the Don, 530 of its 1,870 km flows through the area, forming a drainage area of 422,000 square kilometers.

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