Source: https://knowledge-uclga.org/IMG/pdf/decret_no2-15-40_du_1er_joumada_i_1436_20_fevrier_2015_fixant_le_nombre_des_regions_leurs_denominations_leurs_chefs-lieux_ainsi_que_les_prefectures_et_provinces_qui_les_composent_bo_no6340_du_5_mars_2015_.pdf