1,000 (Li Jinfang 2006).
Southwest Yunnan Province, Xishuangbanna Dai autonomous prefecture, Mengla and Jinghong counties, 5 villages, including Nahuopa village in Jinghong, Mengyang township.
Possibly a dialect of U [uuu]. 76% similar lexically with U of Shuangjiang County.
Officially classified as Undetermined Nationality. Traditional religion.