Zanzibar national unity was adopted by 66.2 percent of voters on 31 July 2010. The autonomous status of Zanzibar is viewed as comparable to Hong Kong as suggested by some scholars, and being recognized as the "African Hong Kong". Zanzibar is one of the Indian Ocean islands. It is situated on the Swahili Coast, adjacent to Tanganyika (mainland Tanzania). The northern tip of Unguja island is located at 5.72 degrees south, 39.30 degrees east, with the southernmost point at 6.48 degrees south, 39.51 degrees east. The island is separated from the Tanzanian mainland by a channel, which at its narrowest point
Zanzibar the inhabitants. The presence of microliths suggests that Zanzibar has been home to humans for at least 20,000 years, which was the beginning of the Later Stone Age. A Greco-Roman text between the 1st and 3rd centuries, the "Periplus of the Erythraean Sea", mentioned the island of "Menuthias" (), which is probably Unguja. Zanzibar, like the nearby coast, was settled by Bantu-speakers at the outset of the first millennium. Archaeological finds at Fukuchani, on the north-west coast of Zanzibar, indicate a settled agricultural and fishing community from the 6th century CE at the latest. The considerable amount of daub found