The African country that includes the island of **Zanzibar** is **Tanzania**. Zanzibar, an archipelago off the coast of mainland Tanzania, is known for its rich history, spice production, and stunning beaches. The largest island in the group is **Unguja**, often referred to as Zanzibar. The islands have a diverse cultural heritage influenced by African, Arab, Persian, and European civilizations. Tourism plays a vital role in Zanzibar's economy, with visitors draw by its historic sites, beautiful coral reefs, and vibrant culture.