| No. |
Region |
Capital |
Departments |
| 1 |
Batha |
Ati |
Batha Est, Batha Ouest, Fitri |
| 2 |
Borkou-Ennedi-Tibesti |
Faya-Largeau |
Borkou, Ennedi Est, Ennedi Ouest, Tibesti |
| 3 |
Chari-Baguirmi |
Massenya |
Baguirmi, Chari, Loug Chari |
| 4 |
Guéra |
Mongo |
Barh Signaka, Guéra |
| 5 |
Hadjer-Lamis |
Massakory |
Dababa, Dagana, Haraze Al Biar |
| 6 |
Kanem |
Mao |
Barh El Gazel, Kanem |
| 7 |
Lac |
Bol |
Mamdi, Wayi |
| 8 |
Logone Occidental |
Moundou |
Dodjé, Lac Wey, Ngourkosso |
| 9 |
Logone Oriental |
Doba |
La Nya Pendé, La Pendé, Monts de Lam, La Nya (1) |
| 10 |
Mandoul |
Koumra |
Barh Sara, Mandoul Occidental, Mandoul Oriental |
| 11 |
Mayo-Kebbi Est |
Bongor |
Mayo-Boneye, Kabbia, Mont d'Illi (1), Mayo Lemie (1) |
| 12 |
Mayo-Kebbi Ouest |
Pala |
Lac Léré, Mayo-Dallah |
| 13 |
Moyen-Chari |
Sarh |
Barh Köh, Grande Sido, Lac Iro |
| 14 |
Ouaddaï |
Abéché |
Assoungha, Djourf Al Ahmar, Ouara, Sila |
| 15 |
Salamat |
Am Timan |
Aboudeïa, Barh Azoum, Haraze Mangueigne |
| 16 |
Tandjilé |
Laï |
Tandjilé Est, Tandjilé Ouest |
| 17 |
Wadi Fira |
Biltine |
Biltine, Dar Tama, Kobé |
| 18 |
N'Djamena (capital) |
N'Djamena |
10 arrondissements |
(1) created in 2004
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