Original: Of this, around two thirds of the people â "622,459 â" live on Zanzibar Island (Unguja), with the greatest proportion settled in the densely populated west. Zanzibar's largest settlement is Zanzibar Town (sometimes called Zanzibar City), on Zanzibar Island, with 205,870 inhabitants.
Simplified: The capital of Zanzibar, located on the island of Unguja, is Zanzibar City.