El Jadida (Arabic: الجديدة, romanized: al-Jadīda, [ald͡ʒadiːda]; originally known in Berber as Maziɣen or Mazighen; known in Portuguese as Mazagão) is a major port city on the Atlantic coast of Morocco, located 96 km south of the city of Casablanca, in the province of El Jadida and the region of Casablanca-Settat. It has a population of 170,956 as of 2022.The fortified city, built by the Portuguese at the beginning of the 16th century and named Mazagan (Mazagão in Portuguese), was taken by the Moroccans in 1769.
El Jadida's old city sea walls are one of the Seven Wonders of Portuguese Origin in the World. The Portuguese Fortified City of Mazagan was registered as a UNESCO World Heritage Site in 2004, on the basis of its status as an "outstanding example of the interchange of influences between European and Moroccan cultures" and as an "early example of the realisation of the Renaissance ideals integrated with Portuguese construction technology".