List the city in Valle de Delaware

City
Adam County, PA Atlántico County, NJ Bahía County, MD Berks County, PA Burlington County, NJ Camden County, NJ Cape May County, NJ Caroline County, MD Castillo Nuevo County, DE Celli County, MD Columbia County, PA Cumberland County, PA Dauphin County, PA Delaware County, PA (Largest by population) Dorchester County, MD Fresno County, MD Lancaster County, PA La Palmera County, PA La Pascua County, PA Lebanon County, PA Madera County, NJ Mariposa County, MD Mercer County, NJ Océano County, NJ Perry County, PA Philadelphia County, PA Salinas County, DE San Benito County, DE San Joaquín County, MD San Pedro County, NJ Santa Clarita County, PA Santa María, NJ Schuylkill County, PA (Largest by Area) Worchester County, MD York County, PA