Ohio is a Midwestern state in the Great Lakes region of the United States. Ohio is the 34th largest by area, the 7th most populous, and the 10th most densely populated of the 50 United States. The state's capital and largest city is Columbus. The state takes Ohio's name from the Ohio River. The name originated from the Seneca language word ohiːyo', meaning "great river" or "large creek". There are currently 652 Ohio airports in our database.