Kiev Ukrainian: Київ - Kyiv, Russian: Киев - Kiev is the capital and largest city of Ukraine with - officially - over 2.7 million inhabitants unofficially up to 4.0 million inhabitants. The city is in north central Ukraine on the Dnieper River Ukrainian: Днiпро, Russian: Днепр. The common English name for the city "Kiev" is historical. The transliteration of the city's name from Ukrainian is "Kyiv", and this variation is used in official English language materials in Ukraine.