Ajaccio Cathedral, officially the Cathedral of Our Lady of the Assumption of Ajaccio and also known as the Cathedral of the Assumption of Saint Mary, is a Roman Catholic church located in Ajaccio, Corsica. The cathedral is the ecclesiastical seat of the Bishop of Ajaccio, a suffragan of the Archdiocese of Marseille. It is dedicated to the Virgin Mary, and is in the Baroque/Mannerist architectural style.