Christianity in Morocco 250,000 Spaniard Catholics lived in Morocco. Most Spaniards left Morocco after independence and their numbers were reduced to about 13,000. Today the expatriate Christian community (Roman Catholic and Protestant) consists of 5,000 practicing members, although estimates of Christians residing in the country at any particular time range up to 25,000. Most Christians reside in the Casablanca, Tangier, and Rabat urban areas. The majority of Christians in Morocco are foreigners, although Voice of the Martyrs reports there is a growing number of native Moroccans (45,000) converting to Christianity, especially in the rural areas. Many of the converts are baptized secretly in
Tangier province of Mauretania Caesariensis, which included much of North Africa. Later the area was subdivided, with the eastern part keeping the former name and the newer part receiving the name of Mauretania Tingitana. It is not known exactly at what period there may have been an episcopal see at Tangier in ancient times, but in the Middle Ages Tangier was used as a titular see (i.e., an honorific fiction for the appointment of curial and auxiliary bishops), placing it in Mauretania Tingitana. For the historical reasons given above, one official list of the Roman Curia places the see in Mauretania