Sicily (Tyrrhenian) and Messina-Catania-Syracuse (Ionian). Of the narrow-gauge railways the Ferrovia Circumetnea is the only one that still operates, going round Mount Etna. From the major cities of Sicily, there are services to Naples and Rome; this is achieved by the trains being loaded onto ferries which cross to the mainland. In Catania there is an underground railway service (metropolitana di Catania); in Palermo the national railway operator Trenitalia operates a commuter rail (Palermo metropolitan railway service), the Sicilian Capital is also served by 4 AMAT (Comunal Public Transport Operator) tramlines; Messina is served by a tramline. Mainland Sicily has several
Roger II of Sicily the fleet by two Greeks, first Christodulus and then George of Antioch, whom he made in 1132 "ammiratus ammiratorum" or "Emir of Emirs", in effect prime vizier. (This title later became the English word admiral). Roger made Sicily the leading maritime power in the Mediterranean. Roger II had a kingdom where a Muslim scholar such as al-Idrisi could draw from a variety of intellectual traditions, because Sicily is positioned in the center of the Mediterranean and was a major stopping point for people traveling across the Mediterranean. Sicily had been run by several different groups in its history and Sicily