Dakar is the capital of Senegal

Dakaris the capital and largest city of Senegal.It is located on the Cap-Vert Peninsula on the Atlantic coast and is the westernmost city in the Old World and on the African mainland. Its position, on the western edge of Africa, is an advantageous departure point for trans-Atlantic and European trade; this fact aided its growth into a major regional port.

Rivers and lakes of Senegal

Senegal's largest rivers—the Senegal, Siné, Saloum, Gambia, and Casamance—are sluggish, marsh-lined streams emptying into broad estuaries along the Atlantic Ocean. The Senegal River is the longest at 4,023 kilometers (2,500 miles).