The Archdiocese of Los Angeles is an archdiocese of the Roman Catholic Church in the U.S. state of California. Based in Los Angeles, the archdiocese comprises the California counties of Los Angeles, Santa Barbara and Ventura. The cathedral is the Cathedral of Our Lady of the Angels in Los Angeles, and its present archbishop is José Horacio Gómez. With approximately five million professing members, the Archdiocese of Los Angeles is numerically the single largest diocese in the United States.