Chad was divided into 14 prefectures from 1960, the year of independence, to 1999, when the country was divided in 28 departments. A further reorganisation in 2002 divided the country into the current 18 regions.
NB : Alphabetic order
| N° | Prefecture | Capital | Subprefectures | |
|---|---|---|---|---|
| 1 | Batha | Ati | Ati, Djedda, Oum Hadjer | |
| 2 | Biltine | Biltine | Am Zoer, Arada, Biltine, Guéréda, Iriba | |
| 3 | Borkou-Ennedi-Tibesti | Faya-Largeau | Borkou, Ennedi, Tibesti | |
| 4 | Chari-Baguirmi | N'Djamena | Bokoro, Bousso, Massakory, N'Djamena | |
| 5 | Guéra | Mongo | Bitkine, Mangalmé, Melfi, Mongo | |
| 6 | Kanem | Mao | Mao, Moussoro, Nokou | |
| 7 | Lac | Bol | Bol, Ngouri | |
| 8 | Logone Occidental | Moundou | Beinamar, Benoye, Moundou | |
| 9 | Logone Oriental | Doba | Baibokoum, Bebedjia,Doba, Goré | |
| 10 | Mayo-Kébbi | Bongor | Bongor, Fianga, Gounou Gaya, Léré, Pala | |
| 11 | Moyen-Chari | Sarh | Koumra, Kyabé, Maro, Moissala, Sarh | |
| 12 | Ouaddaï | Abéché | Abéché, Adré, Am Dam, Goz Beida | |
| 13 | Salamat | Am Timan | Aboudeia, Am Timan, Haraze Mangueigne | |
| 14 | Tandjilé | Laï | Béré, Kélo, Laï |