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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
{| border=1 cellpadding="4" cellspacing="0"
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!N°||Prefecture||Capital||Subprefectures
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|1||Batha||Ati||Ati, Djedda, Oum Hadjer
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|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
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|12||Ouaddaï||Abéché||Abéché, Adré, Am Dam, Goz Beida
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|13||Salamat||Am Timan||Aboudeia, Am Timan, Haraze Mangueigne
|-
|14||Tandjilé||Laï||Béré, Kélo, Laï
|}
