The Spanish fortress of Elj Ali was built during the period of settlement of the Turkish ruler in Tunisia, that is, during the sixteenth century AD, in order to provide protection from the Spanish attack, and was completed by the Spaniards after that, and it bears their name to this day, and it is one of the monuments that must be visited When going to Bizerte, Tunisia, it has a great historical value due to its location on the coast, and overlooks some of the city's landmarks such as the modern port and the old port.