Cabo Verde is an island country spanning an archipelago of 10 islands in the central Atlantic Ocean. Cabo Verde is in Western Africa off the coast of Senegal with a strategic location near major north-south sea routes. The geography of the islands is rugged, rocky, and volcanic. The government system is a republic; the chief of state is the president, and the head of government is the prime minister. Cabo Verde has a market economic system in which the prices of goods and services are determined in a free price system. Cabo Verde is a member of the Economic Community of West African States (ECOWAS).