An attractive town with a picturesque port and a charming old quarter, Ciutadella was the former capital of Menorca until the British arrived in 1708. originally founded by the Carthaginians, Ciutadella later became an important trading centre for the Moors until they were ousted by the Christians in the late 13th century. Sacked by the Turks in 1558, all its citizens were sold into slavery in Constantinople. Largely rebuilt during the 17th and 18th centuries, Ciutadella is a typically Spanish town with some beautiful squares and some fine architecture, its 13th century cathedral was all that remained from the Turkish invasion, was built on the former site of an Arab mosque. Ciutadella was replaced as capital by Mahon, as its deepwater harbour was considered superior by the British, it did however remain as the religious capital of the island. Ciutadella Map.