L1 users: 10,000 (2006). 2,300 in South Sulawesi, 5,700 in Central Sulawesi.
Sulawesi Selatan province: Luwu Utara regency, Rampi district, 6 mountain villages; Limbong, Mangkutana, Sabbang, and Wotu districts scattered; Sulawesi Tengah province: border area southwest of Lake Poso.
Rampi (Lambu), Rato. Leboni is prestige dialect.
Vigorous in some villages. Used as L2 by Uma [ppk].
Latin script [Latn].