Dakar region (French: Région de Dakar) is the smallest and most populated region of Senegal, encompassing the capital city of the country, Dakar, and all its suburbs along the Cap Vert peninsula, Africa's most westerly point.

The départements had the following areas and populations at the Census of 2023: Keur Massar department was formed in May 2021.

This is a situation comparable to Paris which is both a department and a commune.

The department/commune of Dakar is further divided into: Guédiawaye department is also a commune (city).

The department /commune of Pikine is further divided into: Rufisque department is made up of two arrondissements and six urban communes: Within the Dakar region, the politically significant units (i.e. those who have elected officials and wield a significant power) are: the 7 communes, the 2 communautés rurales, and the 43 communes d'arrondissement.