L1 users: 321,000 (2007 SIL). Total users in all countries: 331,700.
Kalimantan Barat province: Bengkayang, Kota Singkawang, Kuba Raya, Landau, Sambas, and Sanggau regencies; northwest Kalimantan island, South China sea coast, and Madi and Papan jungle area.
3 (Wider communication). Used as LWC among non-Muslim Dayaks of northwest West Kalimantan province.
Ambawang, Kendayan, Ahe, Selako.
Latin script [Latn], limited usage.
Indonesian [ind] well understood only by a few with at least a 6th-grade education.