Cleveland, officially the City of Cleveland, is a city in the U.S. state of Ohio and the county seat of Cuyahoga County. Located in the northeastern part of the state, it is situated along the southern sh…Cleveland, officially the City of Cleveland, is a city in the U.S. state of Ohio and the county seat of Cuyahoga County. Located in the northeastern part of the state, it is situated along the southern shore of Lake Erie, across the U.S. maritime border with Canada, 252 miles northeast of Cincinnati, 143 miles northeast of Columbus, and approximately 60 miles west of Pennsylvania.