State (pop., 2000: 11,353,140), U.S., north-central region. Bordered by Michigan, Pennsylvania, West Virginia, Kentucky, and Indiana, it covers 44,828 sq mi (116,104 sq km). Its capital is Columbus. Lake Erie is on its northern boundary; the Ohio River...

Ohio (IPA: /oʊˈhaɪoʊ/, /əˈhaɪə/ (non-standard)) is a Midwestern state of the United States. Part of the Great Lakes region, Ohio has long been a cultural and geographical crossroads. At the time of European contact and in the years that...