The 14 regions of Senegal are subdivided into 46 departments and 103 arrondissements and by collectivités locales which elect administrative officers.
Senegal is subdivided into four levels of administrative divisions.
The departments of Senegal are subdivided into arrondissements. As of 2008 there were 133. The arrondissements are listed below, by department:
Diourbel Department is one of the 45 departments of Senegal, one of the three constituting the Diourbel Region.
Bakel Department is one of the 45 departments of Senegal and one of the four making up the Tambacounda Region in the east of the country. The department had an area of 22,378 km² and population estimate at 215,680 in 2005. However, in 2008 the department was split to form the new department of Goudiry, so the area was reduced to estimated 6,290 km².
Tambacounda Department is one of the 45 departments of Senegal, and one of the four making up the Tambacounda Region. It formerly covered an area of 20,328 km² and in 2013 had an estimated population of 283,769. However in 2005 it was reduced in size to create the new Koumpentoum Department.
Dakar Department is one of the Departments of Senegal, located in the Dakar Region.
Pikine Department is one of the 45 departments of Senegal and one of the four which make up Dakar Region. Its capital is Pikine.
Rufisque Department is one of the 45 departments of Senegal and one of the four which make up the Dakar Region.
Matam Department is one of the 45 departments of Senegal, one of the three in the Matam Region in the north-east of the country.
Kanel Department is one of the 45 departments of Senegal, located in the Matam Region in the east of the country.
Bignona Department is one of the three departments in the Ziguinchor Region of Senegal.
Ziguinchor Department is one of the 45 departments of Senegal, one of three located in the Ziguinchor Region in the south-west of the country.
Oussouye Department is one of the departments of Senegal, located in the Ziguinchor Region. It's situated in Basse Casamance, on the right bank of the mouth of the Casamance River.
Goudomp Department is one of the 45 departments of Senegal, one of three making up the Sédhiou Region. It was created in 2008 along with the Sédhiou Region, which was formerly part of the Kolda Region.
Koumpentoum Department is one of the 45 departments of Senegal, one of the four in the Tambacounda Region of east Senegal. It was created in 2008.
Bala Arrondissement is an arrondissement of the Goudiry Department in the Tambacounda Region of Senegal.
Mampatim Arrondissement is an arrondissement of the Kolda Department in the Kolda Region of Senegal.
Boynguel Bamba is an arrondissement of Goudiry Department in Tambacounda Region in Senegal.
Dianké Makha is an arrondissement of Goudiry Department in Tambacounda Region in Senegal.
Senegal 