Kharkiv OblastKharkiv Oblast (Kharkivska oblast), also referred to as Kharkivshchyna (Харківщина), is an oblast (province) in eastern Ukraine. The oblast borders Luhansk Oblast to the east, Donetsk Oblast to the south-east, Dnipropetrovsk Oblast to the south-west, Poltava Oblast to the west, Sumy Oblast to the north-west and Russia's Belgorod Oblast to the north. The area of Kharkiv Oblast is , corresponding to 5.2% of the total territory of Ukraine. The oblast is the third-most populous province of Ukraine, with a population of 2,598,961 in 2021, more than half (1.