The Indian diaspora in Southeast Africa consists of approximately 3 million people of Indian origin. Some of this diaspora in Southeast Africa arrived in the 19th century from British India as indentured labourers, many of them to work on the Kenya–Uganda railway. Others had arrived earlier by sea as traders.

Zanzibar is an insular semi-autonomous region which united with Tanganyika in 1964 to form the United Republic of Tanzania. It is an archipelago in the Indian Ocean, 25–50 km (16–31 mi) off the coast of the African mainland, and consists of many small islands and two large ones: Unguja and Pemba Island. The capital is Zanzibar City, located on the island of Unguja. Its historic centre, Stone Town, is a World Heritage Site.