Pennsylvania is a U.S. state in the Northeast. Pennsylvania, which was named after its founder William Penn, borders New York to the north, Maryland and Delaware to the south, West Virginia and Ohio to the west, and New Jersey to the east. Pennsylvania's largest city is Philadelphia, while its capital is Harrisburg. Pennsylvania has a short coast on Lake Erie, where the city of Erie, Pennsylvania is located. Western Pennsylvania is heavily industrialized, with Pittsburgh being the center of the American steel industry.