This might just be the most famous island in the Indian Ocean. Zanzibar is very popular and visited by thousands of visitors every year. Officially, the island we call ‘Zanzibar’ is Unjuga, and it, along with Pemba Island, make up the archipelago of Zanzibar. However, this name is rarely used and can be confusing for travel-purposes, so we will call it Zanzibar for clarity.