Marsala of Motya, an ancient Phoenician town. The modern name likely derived from the Arabic مَرْسَى عَلِيّ (marsā ʿaliyy, “Ali's harbor”), or possibly مَرْسَى اللّٰه (marsā llāh, “God's harbor”). Situated at the extreme western point of Sicily, the town was founded on Lilibeo Cape from where the Aegadian Islands and the Stagnone Lagoon can be seen. The territory of Marsala, , has a rich cultural and landscape heritage; its area includes the Stagnone Lagoon, a Natural Reserve in which is located the island of Mozia. The city of Marsala had a population of about 86,000 until the end of 1970, when
Marsala Nuova () was rebuilt in 1790, and is located in the north-west of the town. The city council decided to demolish the city walls in 1887 to make way for the rapidly-expanding town. Along with this demolition was demolished the north-east gate called Porta Trapani, constructed in the early 17th century, nicknamed "Porticella" due to its small size in comparison to the other three gates of the town; it used to be located at the intersection of "Via Pellegrino" and "Via Sardegna". Based on the archaeological findings at Capo Boeo, Marsala has been rebuilt twice, one time in the 1st