Original: Municipios de Puerto Rico y sus centros administrativos(in Spanish) The City of Ponce is the second largest city in Puerto Rico outside of the San Juan metropolitan area, and is named after Juan Ponce de León y Loayza, the grandson of Spanish conquistador Juan Ponce de León.
Simplified: Ponce is the second largest city in Puerto Rico outside of the San Juan metropolitan area. The city was named after Juan Ponce de León y Loayza, the grandson of Spanish conquistador Juan Ponce de León.