Borgou is one of the twelve departments of Benin. Borgou borders the country of Nigeria and the departments of Alibori, Atakora, Collines and Donga. The capital of Borgou is Parakou. The department of Borgou was bifurcated in 1999, with its northern territory transferred to the newly created Alibori Department.

Alibori is the largest and northernmost department of Benin. Externally the department borders the countries of Burkina Faso, Niger, and Nigeria, and internally the departments of Atakora and Borgou. The department of Alibori was created in 1999 when it was split off from Borgou Department and is named after the Alibori River.