Pennsylvania is a state located in the northeastern region of the United States, bordering New York to the north and northeast, Ohio and West Virginia to the west and Maryland, New Jersey and Delaware to the south. It was the 2nd state to ratify the Constitution. The Atlantic Ocean lies directly to the east.
It is nicknamed the "Keystone State". The state has some large urban areas, a number of industrial cities, and many small towns. Harrisburg is the state capital. The largest metro area is Philadelphia; other large cities include Pittsburgh and Erie.