Nusa Tenggara Timur province: east Sumba island.
Kambera, Melolo, Uma Ratu Nggai (Umbu Ratu Nggai), Lewa, Kanatang, Mangili-Waijelo (Rindi, Wai Jilu, Waidjelu, Waijelo), Southern Sumba. Dialect network. Kambera dialect is widely understood. Lewa and Uma Ratu Nggai dialects have difficulty understanding those from Mangili.
Latin script [Latn].
Christian, traditional religion.