Roman Catholic Archdiocese of Bahía Blanca

The Roman Catholic Archdiocese of Bahía Blanca (Archidioecesis Sinus Albi) is an ecclesiastical territory or diocese of the Roman Catholic Church in the eastern region of the province of Buenos Aires, Argentina. Its motherchurch, located in the city of Bahía Blanca, is the Cathedral of Our Lady of Mercy. Since 10 May 2003 Guillermo José Garlatti has been its Archbishop. Since 3 November 2015, Carlos Azpiroz Costa has been its Archbishop coadjutor.