The departments of Chad are divided into 348 sub-prefectures (sous-préfectures).

List of sub-prefectures by department and by region

Bahr El Gazel

Created in 2008 from the Kanem region's former Barh El Gazel department.

Batha

Borkou

Created in 2008 from the Borkou-Ennedi-Tibesti region's former Borkou department.

Chari-Baguirmi

Ennedi

Created in 2008 from the Borkou-Ennedi-Tibesti region's former Ennedi Est and Ennedi Ouest departments.

Guéra

Hadjer-Lamis

Kanem

Lac

Logone Occidental

Logone Oriental

Mandoul

Mayo-Kebbi Est

Mayo-Kebbi Ouest

Moyen-Chari

Ouaddaï

Salamat

Sila

Created in 2008 from the Ouaddaï region's former Sila and Djourf Al Ahmar departments.

Tandjilé

Tibesti

Created in 2008 from the Borkou-Ennedi-Tibesti region's former Tibesti department.

Wadi Fira

Dar Mimi

N'Djamena (capital)

N'Djamena, the capital city of Chad, is also a special statute region. It has no departments, but is divided into 10 arrondissements.