| Official Name: | Sélibaby |
| Settlement Type: | Department |
| Pushpin Map: | Central African Republic |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: |  Mauritania |
| Unit Pref: | Imperial |
| Area Total Km2: | 7,252 |
| Population Total: | 198,688 |
| Population As Of: | 2013 census |
| Population Footnotes: | [1] |
| Population Density Km2: | auto |
Sélibaby is a department of Guidimaka Region in of southern Mauritania.[2] [3]
Located in the southern part of the country near the Senegal and Mali borders, it serves as an important administrative and economic center for the region. Sélibaby is part of the Sahel zone and features a semi-arid climate, with a rainy season that supports limited agricultural activities.
The city is known for its multicultural population, reflecting a blend of ethnic groups, including the Soninke, Fulani, and Wolof. It plays a key role in cross-border trade and serves as a hub for local markets, education and healthcare services.
Guidimaka itself is divided into several department or administrative subdivisions, with Sélibaby been the most prominent one.
The Sélibaby department is made up of following municipalities:
In 2013, the entire population of the Sélibaby Department has a total of 198,688 inhabitants[4] (97,232 men and 101,456 women).