Philadelphia, commonly referred to as Philly, is the most populous city in the U.S. state of Pennsylvania. Philadelphia is the nation's sixth-most populous...

Philadelphia County is the most populous county in Pennsylvania and the 24th-most populous county in the nation. As of the 2020 census, the county had...

Philadelphia International Airport (IATA: PHL, ICAO: KPHL, FAA LID: PHL) is the primary airport serving Philadelphia, Pennsylvania, United States. It served...

Pennsylvania Hall, "one of the most commodious and splendid buildings in the city," was an abolitionist venue in Philadelphia, built in 1837–38. It was...

The University of Pennsylvania (Penn or UPenn) is a private Ivy League research university in Philadelphia, Pennsylvania, U.S. It is one of nine colonial...

The city of Philadelphia was founded in 1682 by William Penn in the English Crown Province of Pennsylvania between the Delaware and Schuylkill rivers....

addition to Philadelphia, other major urban population centers in the Delaware Valley include Reading, Upper Darby Township, and Chester in Pennsylvania; Atlantic...

central neighborhoods of Philadelphia, Pennsylvania, United States. It comprises the area that made up the City of Philadelphia prior to the Act of Consolidation...

Philadelphia, Pennsylvania. Founded by Palatine, Quaker, and Mennonite families in 1683 as an independent borough, it was absorbed into Philadelphia in...

of the 67 counties of the U.S. state of Pennsylvania. The city of Philadelphia is coterminous with Philadelphia County, the municipalities having been...