Ohio is a Midwestern state in the northeastern corner of the United States. It was the first and eastern-most state in the Midwest admitted to the Union under the Northwest Ordinance. Its U.S. postal abbreviation is OH; its old-style abbreviation is O. Ohio is an Iroquois word meaning "great water." The name refers to the Ohio River that forms its southern border.
This article is about the U.S. State. For other uses, see Ohio (disambiguat ...
- Ohio Department of Health (Ohio State Government)