Zanzibar Zanzibar Zanzibar (; ; ) is a semi-autonomous region of Tanzania. It is composed of the Zanzibar Archipelago in the Indian Ocean, off the coast of the mainland, and consists of many small islands and two large ones: Unguja (the main island, referred to informally as Zanzibar) and Pemba Island. The capital is Zanzibar City, located on the island of Unguja. Its historic centre is Stone Town, which is a World Heritage Site. Zanzibar's main industries are spices, raffia, and tourism. In particular, the islands produce cloves, nutmeg, cinnamon, and black pepper. For this reason, the Zanzibar Archipelago, together with
Wildlife of Zanzibar Island), to the northwest of Stone Town, has coral rag forests. It is home to the giant tortoises called "changuu" in Kishwahili language, from which the island gets its name. The island is approachable by boat from Forodhani, the main port of Zanzibar. In the past, Arab slave traders used this island to keep troublesome slaves of the African mainland for auctioning in Zanzibar’s slave market. Even though it is called a Prison Island, in fact there was no prison at any time but only a yellow fever quarantine camp or slave transit camp existed here. A trail behind this