Mayo-Kebbi Est is one of the 18 regions of Chad (Decrees N° 415/PR/MAT/02 and 419/PR/MAT/02), and its capital is Bongor. It is composed by part of the former prefecture of Mayo-Kebbi (sub-prefectures of Bongor, Fianga and Gounou Gaya). Bongor has a population of 20,448 (as of 1993). Bongor is located on the eastern bank of the Logone river. During the rainy season (May-September) the Logone is navigable between Bongor and N'Djamena, Chad's capital. Bongor was a part of German Cameroon until the 1911 German-French treaty. In 1904 near Bongor a military station was founded by German colonial officer Herbert Kund, which was the beginning of the city´s modern history. Bongor has been an important center of secondary education since colonial times. The Lycée Jacques Modeina is located there and many of the future leaders of the nations that became independent after the dissolution of the colony of French Equatorial Africa attended the lycée. The primary indigenous tribal groups are the Massa. Bongor has a lively central market square, an airport, a post office, a hospital, and the administrative offices for the Mayo-Kebbi prefecture. Cotton and rice are the primary cash crops of the region. There is one hotel on the bank of the Logone. The principal market day is Monday and people come from the entire region for the weekly market.

 Subdivisions

The region of Mayo-Kebbi Est is divided in 4 departments: Kabbia, Mayo Lemie; Mayo-Boneye; Mont d'Illi.

 Demography

The region had 495,339 inhabitants in 1993. The main ethnico-linguistic groups are the Moussey, the Massa, the Tupuri, the Marba, the Kéra, the Mousgoum, the Kim.

 Economy

Agriculture and fishery.