Eastern Ukraine or East Ukraine (Ukrainian: Східна Україна, Skhidna Ukrayina) generally refers to territories of Ukraine east of the Dnieper river, particularly Kharkiv, Luhansk and Donetsk oblasts. Dnipropetrovsk and Zaporizhia oblasts sometimes are also regarded as Eastern Ukraine. Almost a third of the country's population lives within the region, which includes three cities with populations over a million. The major river of eastern Ukraine is Seversky Donets.