The region borders Batha Region to the north, Sila Region and Salamat Region to the east, Moyen-Chari Region to the south, and Chari-Baguirmi Region and Hadjer-Lamis Region to the west. The region contains several mountainous areas, such as the Kadam Massif and the Guéra Massif, the latter of which is composed of granites dissected by numerous dolerite dykes.[2]