The Province of Messina is based in the autonomous island region of Sicily. This Province is consists of 108 comuni and its capital is Messina. Messina serves as the Catholic Archdiocese seat and also enjoys the status of the third largest city in Sicily. Cathedral of Messina, Church of the Annunziata dei Catalani, Porta Grazia and Fountain of Orion are the major sights in Messina.