Zanzibar the sheltered harbor located on the site of present-day Zanzibar City. The clove, originating from the Moluccan Islands (today in Indonesia), was introduced in Zanzibar by the Omani sultans in the first half of the 19th century. Zanzibar, mainly Pemba Island, was once the world's leading clove producer, but annual clove sales have plummeted by 80 percent since the 1970s. Zanzibar's clove industry has been crippled by a fast-moving global market, international competition, and a hangover from Tanzania's failed experiment with socialism in the 1960s and 1970s, when the government controlled clove prices and exports. Zanzibar now ranks a distant
Zanzibar ancestral land for which they probably do not have a legal deed. In 1984, fewer than 20,000 tourists visited Zanzibar. Five times more visitors travelled to the island in 2000. The events of September 11, 2001 reduced the inflow of tourists, which was restored only after 2004. Zanzibar has at least 6,200 beds across 6 classes of accommodation. However, there is a disproportionately large number in ungraded, one and two star categories. The energy sector in Zanzibar consists of unreliable electric power, petroleum and petroleum products; it is also supplemented by firewood and its related products. Coal and gas are