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 18 regions. As of 2024, the country was divided into 23 provinces.

NB : Alphabetic order N°PrefectureCapitalSubprefectures1BathaAtiAti, Djedda, Oum Hadjer2BiltineBiltineAm Zoer, Arada, Biltine, Guéréda, Iriba3Borkou-Ennedi-TibestiFaya-LargeauBorkou, Ennedi, Tibesti4Chari-BaguirmiN'DjamenaBokoro, Bousso, Massakory, N'Djamena5GuéraMongoBitkine, Mangalmé, Melfi, Mongo6KanemMaoMao, Moussoro, Nokou7LacBolBol, Ngouri8Logone OccidentalMoundouBeinamar, Benoye, Moundou9Logone OrientalDobaBaibokoum, Bebedjia, Doba, Goré10Mayo-KébbiBongorBongor, Fianga, Gounou Gaya, Léré, Pala11Moyen-ChariSarhKoumra, Kyabé, Maro, Moissala, Sarh12OuaddaïAbéchéAbéché, Adré, Am Dam, Goz Beida13SalamatAm TimanAboudeia, Am Timan, Haraze Mangueigne14TandjiléLaïBéré, Kélo, Laï