| No. |
Region |
Pop.
(2009) |
Capital |
Departments |
| 1 |
Batha |
527,031 |
Ati |
Batha Est, Batha Ouest, Fitri |
| 2 |
Chari-Baguirmi |
621,785 |
Massenya |
Baguirmi, Chari, Loug Chari |
| 3 |
Hadjer-Lamis |
562,957 |
Massakory |
Dababa, Dagana, Haraze Al Biar |
| 4 |
Wadi Fira |
494,993 |
Biltine |
Biltine, Dar Tama, Kobé |
| 5 |
Barh El Gazel |
260,865 |
Moussoro |
Barh El Gazel Nord (fr), Barh El Gazel Sud (fr) |
| 6 |
Borkou |
97,251 |
Faya-Largeau |
Borkou, Borkou Yala (fr) |
| 7 |
Ennedi |
173,606 |
Fada |
Ennedi (fr), Wadi Hawar (fr) |
| 8 |
Guéra |
533,795 |
Mongo |
Abtouyour (fr), Barh Signaka, Guéra, Mangalmé (fr) |
| 9 |
Kanem |
354,603 |
Mao |
Kanem, Nord Kanem (fr), Wadi Bissam (fr) |
| 10 |
Lac |
451,369 |
Bol |
Mamdi, Wayi |
| 11 |
Logone Occidental |
683,293 |
Moundou |
Dodjé, Guéni (fr), Lac Wey, Ngourkosso |
| 12 |
Logone Oriental |
796,453 |
Doba |
La Nya, La Nya Pendé, La Pendé, Kouh-Est (fr), Kouh-Ouest (fr), Monts de Lam |
| 13 |
Mandoul |
637,086 |
Koumra |
Barh Sara, Mandoul Occidental, Mandoul Oriental |
| 14 |
Mayo-Kebbi Est |
769,178 |
Bongor |
Kabbia, Mayo-Boneye, Mayo-Lémié, Mont d'Illi |
| 15 |
Mayo-Kebbi Ouest |
565,087 |
Pala |
Lac Léré, Mayo-Dallah |
| 16 |
Moyen-Chari |
598,284 |
Sarh |
Barh Köh, Grande Sido, Lac Iro |
| 17 |
Ouaddaï |
731,679 |
Abéché |
Abdi (fr), Assoungha, Ouara |
| 18 |
Salamat |
308,605 |
Am Timan |
Aboudeïa, Barh Azoum, Haraze-Mangueigne |
| 19 |
Sila |
289,776 |
Goz Beïda |
Djourf Al Ahmar, Kimiti (fr) |
| 20 |
Tandjilé |
682,817 |
Laï |
Tandjilé Est, Tandjilé Ouest |
| 21 |
Tibesti |
21,970 |
Bardaï |
Tibesti Est (fr), Tibesti Ouest (fr) |
| 22 |
N'Djamena (capital) |
993,492 |
N'Djamena |
10 arrondissements |
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