11th Street station is a subway station in Philadelphia, Pennsylvania at the intersection of 11th Street and Market Street in Center City. It is served by SEPTA's Market-Frankford Line and provides a connection to SEPTA Regional Rail at Jefferson Station.

Center City includes the central business district and central neighborhoods of Philadelphia, Pennsylvania, United States. It comprises the area that made up the City of Philadelphia prior to the Act of Consolidation, 1854, which extended the city borders to be coterminous with Philadelphia County.