The departments of Chad are divided into 348 sub-prefectures (sous-préfectures).
Created in 2008 from the Kanem region's former Barh El Gazel department.
Created in 2008 from the Borkou-Ennedi-Tibesti region's former Borkou department.
Created in 2008 from the Borkou-Ennedi-Tibesti region's former Ennedi Est and Ennedi Ouest departments.
Created in 2008 from the Ouaddaï region's former Sila and Djourf Al Ahmar departments.
Created in 2008 from the Borkou-Ennedi-Tibesti region's former Tibesti department.
N'Djamena, the capital city of Chad, is also a special statute region. It has no departments, but is divided into 10 arrondissements.