| Não. | Região | Pop. (2009) | Capital | Departamentos | | 1 | Batha | 488,458 | Ati | Batha Est, Batha Ouest, Fitri | | 22 | Chari-Baguirmi | 578,425 | Massenya | Baguirmi, Chari, Loug Chari | | 23 | Hadjer-Lamis | 566,858 | Massakory | Dababa, Dagana , Haraze Al Biar | | 5 | Wadi Fira | 508,383 | Biltine | Biltine, Dar Tama, Kobé | | 2 | Bahr el Gazel | 257,267 | Moussoro | Barh El Gazel Nord, Barh El Gazel Sud | | 3 | Borkou | 93,584 | Faya-Largeau | Borkou, Borkou Yala | | 8 | Ennedi-Est | 107,302 | Am-Djarass | Am-Djarass, Wadi Hawar | | 12 | Ennedi-Ouest | 60,617 | Fada | Fada, Mourtcha | | 9 | Guéra | 538,359 | Mongo | Abtouyour, Barh Signaka, Guéra, Mangalmé | | 13 | Kanem | 333,387 | Mao | Kanem, Nord Kanem, Wadi Bissam | | 14 | Lac | 433,790 | Bol | Mamdi, Wayi | | 11 | Logone Ocasional | 689,044 | Moundou | Dodjé, Guéni, Lac Wey, Ngourkosso | | 7 | Logone Oriental | 779,339 | Doba | La Nya, La Nya Pendé, La Pendé, Kouh-Est, Kouh-Ouest, Monts de Lam | | 15 | Mandoul | 628,065 | Koumra | Barh Sara, Mandoul Occidental, Mandoul Oriental | | 6 | Mayo-Kebbi Est | 774,782 | Bongor | Kabbia, Mayo-Boneye, Mayo-Lémié, Mont d'Illi | | 10 | Mayo-Kebbi Ouest | 564,470 | Pala | Lac Léré, Mayo-Dallah | | 19 | Moyen-Chari | 588,008 | Sarh | Barh Kôh, Grande Sido, Lac Iro | | 4 | Ouaddaï | 721,166 | Abéché | Abdi, Assoungha, Ouara | | 17 | Salamat | 302,301 | Sou Timão | Aboudeïa, Barh Azoum, Haraze-Mangueigne | | 18 | Sila | 387,461 | Goz Beïda | Djourf Al Ahmar, Kimiti | | 20 | Tandjilé | 661,906 | Laï | Tandjilé Est, Tandjilé Ouest | | 21 | Tibesti | 25,483 | Bardaï | Tibesti Est, Tibesti Ouest | | 16 | N'Djamena (capital) | 951,418 | N'Djamena | 10 dawāʾir ou arrondissements | | |