The capital of Algeria is ALGIERS, which has seven letters. Mali, which has four letters, is a landlocked country in West Africa. The SAHARA, which has six letters, is the world's largest hot desert. Oran, which has four letters, is a port city in Algeria. Niger, which has five letters, is a landlocked country in West Africa. Tunisia, which has seven letters, is a country in North Africa. Libya, which has five letters, is a country in North Africa.