Complex sentence: The Swahili people are a Bantu ethnic group and culture found in East Africa, mainly in the coastal regions and the islands of Kenya, Tanzania and north Mozambique.
Split into simpler sentences: The Swahili people are a Bantu ethnic group and culture found in East Africa. They mainly reside on the Swahili Coast, in an area encompassing Zanzibar, coastal Kenya, Tanzania and north Mozambique.