2023年11月29日 · The Facts: Capital: Palermo. Area: 9,927 sq mi (25,711 sq km). Population: ~ 5,000,000. Provinces: Agrigento, Caltanissetta, Catania, Enna, Messina, Palermo, Ragusa, Siracusa, Trapani. Cities: Catania, Siracusa, Agrigento, Messina, Trapani, Caltanissetta, Marsala, Mazara del Vallo, Modica, Ragusa, Taormina, Enna. Last Updated: November 29, 2023. .