The Roman Catholic Archdiocese of Marseille ( Latin : Archidioecesis Massiliensis ; French : Roman Catholic Archdiocese of Marseille ) is a Metropolitan Archdiocese of the Latin Riteof the Roman Catholic Church in France . [1] [2] The Archepiscopal see in the city of Marseille , and the diocese included the district of Marseille , a subdivision of the department of Bouches-du-Rhone in the Region of Provence-Alpes-Cote d’Azur .