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.
Tchad var inddelt i 14 præfekturer fra 1960, Tchads uafhængighedsår, til 1999, da landet var inddelt i 28 departementer: En genorganisering i 2002 inddelte landet i 18 nuværende regioner.