The Roman Catholic Archdiocese of Detroit (Latin: Archidioecesis Detroitensis) is an archdiocese of the Latin Rite of the Catholic Church covering (as of 2005) the Michigan counties of Lapeer, Macomb, Monroe, Oakland, St. Clair, and Wayne. It is the metropolitan archdiocese for the Roman Catholic Ecclesiastical Province of Detroit, which includes all dioceses in the state of Michigan.