 It contains the communities of Angurugu, Alyangula, Umbakumba, Yadagba District, Uburamudja District and Sandy Hill (Groote Eylandt) and Milyakburra District (Bickerton Island).Outside the local government subdivision is the mining company GEMCO town of Alyangula, which is unincorporated territory within the Northern Region of Northern Territory.Groote Eylandt is part of the Arnhem Land Aboriginal Reserve.