Pengeleni Island (Kisiwa cha Pengeleni, in Swahili) is a small island located in N'gambwa ward of Kusini District in Unguja South Region, Tanzania.Nowak, Katarzyna, Andrew Perkin, and Trevor Jones. Update on habitat loss and conservation status of the endangered Zanzibar red colobus on Uzi and Vundwe Islands. Department of Commercial Crops, Fruits, and Forestry, 2009. The coral island lies south of Uzi Island and north of Vundwe Island. References