The Republic of Chad is divided into 23 provinces.
Chad was divided into regions in 2002. It was previously divided into prefectures, and then departments.
On , a new ordinance divided Chad into 23 provinces, 95 departments, and 365 communes. The names of the former regions remained the same but were now called . On , a new ordinance further divided the 23 provinces into 120 departments and 454 sub-prefectures.
Until 2025, the leaders of the provinces of Chad were known as governors. They are now called delegates general of the government.
This is a list of the provinces of Chad (called regions before 2018), with official population figures from the 2009 census, and estimated population figures for mid 2023.
From independence in 1960 until 1999 it was divided into 14 préfectures. These were replaced in 1999 by 28 départements. The country was reorganized again in 2002 to produce 18 régions. In 2008, a further four régions were created, increasing the number to 22. Ennedi Region was split into Ennedi-Est and Ennedi-Ouest in 2012, producing 23 regions.
On , a new ordinance divided Chad into 23 provinces, 95 departments, and 365 communes. The names of the former regions remained the same but were now called .
(1) created in 2004
On February 19, 2008, four new regions were created: