Voronezh Oblast is a federal subject of Russia. Its administrative center is the city of Voronezh. Its population was 2,308,792 as of the 2021 Census. Voronezh Oblast borders internally with Belgorod Oblast, Kursk Oblast, Lipetsk Oblast, Tambov Oblast, Saratov Oblast, Volgograd Oblast and Rostov Oblast and internationally with Luhansk Oblast in Ukraine.