Ukrainian: Київ (help·info), Kyyiv, IPA: [ˈkɪjiw]; Russian: Ки́ев (help·info), Kiyev; see also Cities' alternative names) is the capital and the largest city of Ukraine, located in the north central part of the country on the Dnieper river. Since 2001, Kiev has officially had 2,660,401 inhabitants, though this figure has likely grown to more than 3.5 million since then. Administratively, Kiev is a national-level subordinated municipality, independent from surrounding Kiev Oblast. Kiev is an important industrial, scientific, educational and cultural center of Eastern Europe. It is home to many high-tech industries, higher education institutions, world-famous historical landmarks. The city has an extensive infrastructure and highly developed system of public transport, including a Kiev Metro system.