Collines is one of the twelve departments of Benin. Collines was created in 1999 after the Benin government split up the former six departments of Atakora, Atlantique, Borgou, Mono, Oueme and Zou into twelve. Collinies was split from Zou. The Capital of Collines hasn't been chosen yet but will likely be Savalou. The departments that border Collines are Plateau, Borgou, Zou, andand Donga. The total area of Collines is 2,404km.² or 928mi.².