South Philadelphia, nicknamed South Philly, is the section of Philadelphia bounded by South Street to the north, the Delaware River to the east and south, and the Schuylkill River to the west. A diverse working-class community of many neighborhoods, South Philadelphia is well-known for its large Italian-American population, but it also contains large Asian American, Irish-American, African-American, and Latino populations.

South Street in Philadelphia, originally named Cedar Street in William Penn's original street grid, is an east–west street forming the southern border of Center City and the northern border for South Philadelphia in Pennsylvania, United States.