Casablanca and business center of Morocco, although the national political capital is Rabat. The leading Moroccan companies and international corporations doing business in the country have their headquarters and main industrial facilities in Casablanca. Recent industrial statistics show Casablanca retains its historical position as the main industrial zone of the country. The Port of Casablanca is one of the largest artificial ports in the world, and the second largest port of North Africa, after Tanger-Med east of Tangier. Casablanca also hosts the primary naval base for the Royal Moroccan Navy. The original name of Casablanca was "Anfa", in Berber language, by
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