Ngulgule is an ethnic group of South SudanGurtong Peace Project living in Western Bahr el Ghazal just north of the confluence of the Sopo and Boro rivers.Ethnologue: "Njalgulgule - A language of Sudan" retrieved February 5, 2013 They are one of seven distinct ethnicities comprising the Daju people. They speak Njalgulgule, a Nilo-Saharan language. Most of them are Muslims. The population of this group is 900.
References
External sources Language Map of Sudan Huffman, Steve