Pennsylvania, also known as the Commonwealth of Pennsylvania is located in the Mid-Atlantic and Northeastern regions of the United States. Delaware borders the Commonwealth to its southeast, Maryland to South, West Virginia to Southwest, Ohio to West, Lake Erie to the northwest, New York City to the north and New Jersey to the northeast, while the Appalachian Mountains run through the middle.

Pennsylvania is 33rd in area and 5th in population, with a population total of 13,011,844 as per the latest official U.S. Census count for 2020. It is also the 9th most densely populated state of all 50. Pennsylvania’s two largest cities are Philadelphia (1.580.863) and Pittsburgh (302,407). Harrisburg is the capital of Pennsylvania and its 13th largest city. Pennsylvania boasts 140 miles (225km) of shoreline along Lake Erie, the Delaware River.