3,730 in Laos (2005 census).
Khammouan province: Upper Nam Noy and Nam Pheo areas; Bolikhamxai province: Khamkeut district, Na Kadok village.
Na Kadok, Khammouan. Reportedly similar to Tai Yo [tyj].
The Saek of Na Kadok claim to have come from Phu Quan, Ban Pho Quang, Duc Tho District, in what is now Ha Tinh Province, Viet Nam. Khammouan dialect speakers are originally from Nakai District, and it is still spoken in Toeng, Nam Meo, Na Moey, and Beuk. Traditional religion.