Casablanca-Settat Casablanca-Settat Casablanca-Settat (, ) is one of the twelve administrative regions of Morocco. It covers an area of 20,166 km² and recorded a population of 6,861,739 in the 2014 Moroccan census, 69% of which lived in urban areas. The capital of the region is Casablanca. Casablanca-Settat is located on the Atlantic coast. It borders the regions of Rabat-Salé-Kénitra to the northeast, Béni Mellal-Khénifra to the southeast, and Marrakesh-Safi to the south. Part of the border with Marrakesh-Safi follows the course of the Oum Er-Rbia River, which flows northwest and empties into the Atlantic at Azemmour. The river divides the region
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