The Saint-Louis region () of Senegal is on the border with Mauritania. Its capital is Saint-Louis.
Famous for the cast iron bridge in its capital, built by French colonialists in the 19th century, the region includes the Djoudj National Bird Sanctuary, home to thousands of birds, some indigenous to the area.
Départements Saint-Louis region is divided into 3 départements: Dagana département Podor département Saint-Louis département
Geography Saint-Louis is traversed by the northwesterly line of equal latitude and longitude.
See also Lac de Guiers
References