The term Wabash Location refers to the state of Indiana, which is located in the Midwestern United States. The state is bordered by Michigan to the north, Ohio to the east, Kentucky to the south, and Illinois to the west. Indiana is the 38th largest state in the US by area and the 17th most populous. Its capital and largest city is Indianapolis. The Wabash River, which is the longest river in Indiana, runs through the state and is a major tributary of the Ohio River.