pennsylvania library
The state of Pennsylvania is quite varied and is a state in the Middle Atlantic region of the United States. Explore the Piedmont Plateau, the Ridge and Valley region, and the Allegheny Plateau.
Featured Article: Geography of Bethlehem
Bethlehem, Pennsylvania, a city in Northampton and Lehigh counties. It is on the Lehigh River, about 50 miles (80 km) northwest of Philadelphia. See more »

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Geography of Upper Darby
Upper Darby, Pennsylvania, a township in Delaware County. It adjoins the western edge of Philadelphia and includes the villages of Upper Darby, Highland Park, and Bywood.
See more »Geography of Wilkes-Barre
Wilkes-Barre, Pennsylvania, the seat of Luzerne County. The city is on the Susquehanna River, 14 miles (23 km) southwest of Scranton.
See more »Geography of Williamsport
Williamsport, Pennsylvania, the seat of Lycoming County. It is on the west branch of the Susquehanna River in the North-Central part of the state.
See more »Geography of York
York, Pennsylvania,the seat of York County. It lies in the Pennsylvania Dutch Country, in the southeastern part of the state.
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