Philadelphia, Pennsylvania, the largest city in the state and one of the largest in the United States. It is the seat of Philadelphia County, with which it shares the same boundaries. Philadelphia is at the junction of the Schuylkill and Delaware rivers, about 50 miles (80 km) by water north of Delaware Bay, an arm of the Atlantic Ocean. Camden, New Jersey, is directly across the Delaware River, and New York City is about 90 miles (145 km) northeast.
Pennsylvania, one of the eastern states of the United States. It is bordered by New York, New Jersey, Delaware, Maryland, West Virginia, and Ohio.
New Hampshire, one of the New England states of the United States. It is bounded on the north by the Canadian province of Quebec; on the east by Maine and the Atlantic Ocean; on the south by Massachusetts; and on the west by Vermont.