Pemba Island is a Tanzanian island forming part of the Zanzibar Archipelago, lying within the Swahili Coast in the Indian Ocean.

Swahili, also known by its local name Kiswahili, is a Bantu language originally spoken by the Swahili people, who are found primarily in Tanzania, Kenya and Mozambique. The number of current Swahili speakers, be they native or second-language speakers, is estimated to be over 200 million, with Tanzania known to have most of the native speakers.