What is the Atlantic Ocean island country west of Senegal?

The Atlantic Ocean island country west of Senegal is Cape Verde. Cape Verde is an archipelago located in the North Atlantic Ocean, off the coast of West Africa. It is about 570 km (350 miles) west of Cape Verde, the westernmost point of the mainland African continent. Cape Verde consists of 10 islands and several islets. The islands are divided into two groups: the Barlavento Islands in the north and the Sotavento Islands in the south. The largest islands are Santiago, Santo Antão, São Vicente, Fogo, and Sal. The capital city is Praia, located on the island of Santiago.