Ohio is a U.S. state located in the Midwest region, bordered by Michigan to the north, Pennsylvania to the east, West Virginia and Kentucky to the south, and Indiana to the west. Known for its diverse geography, Ohio features flat plains in the north, rolling hills in the south, and the Appalachian Mountains in the southeast. Its largest city is Columbus, which also serves as the state capital, while Cleveland and Cincinnati are other major urban centers.

Ohio has a rich history, having been admitted as the 17th state on March 1st, 1803. It played a significant role in the American Civil War, being a key Union state. Ohio is often regarded as a swing state in presidential elections due to its political balance. The state's economy is diverse, with major industries including manufacturing, agriculture, and technology. Ohio is also known for its contributions to aviation, with the Wright brothers hailing from Dayton, and for being home to a number of prestigious universities and cultural institutions.