 The diocese is bounded on the north by the Archdiocese of Mérida-Badajoz, on the east by the Archdiocese of Seville and Diocese of Cádiz, on the south by the Atlantic Ocean, and on the west by the Diocese of Faro, in the Portuguese Algarve, of which it is separated by the Guadiana river.The surface of the diocese is 10,085 km² and its population is 472,000 in 79 municipalities (2005).The estimated catholic population is 446,000.