Youngstown is a city in the U.S. state of Ohio and the county seat of Mahoning County. It also extends into Trumbull County. The municipality is on the Mahoning River, approximately southeast of Cleveland and northwest of Pittsburgh, Pennsylvania. Youngstown has its own metropolitan area, but is often included in commercial and cultural depictions of the Pittsburgh Tri-State area and Greater Cleveland. Youngstown lies west of the Pennsylvania state line, midway between New York City and Chicago via Interstate 80.