Geographical and administrative divisions of the Maghreb region: I – Rif, II – Central Massif, III – Middle Atlas, IV – High Atlas, V – Anti-Atlas, VI – High Plateaus, VII – Tell Kabyllas, VIII – Saharan Atlas, IX – Tunisian Atlas, X – Ougarta, XI – Saharan Platform, MO – Morocco, AG – Algeria, TU – Tunisia, SP – Spain (Ceuta and Melilla), AO – Atlantic Ocean, MS – Mediterranean Sea.