The departments of Senegal are subdivided into arrondissements. As of 2008 there were 133. The arrondissements are listed below, by department:
Note: As of 2006, Koungheul and the eastern section was removed from Kaffrine Department to form Koungheul Department. In 2008, Kaffrine became a Region in its own right, while Birkelene, Koungheul and Malem Hodar became departments within the new Region.