The Yao call themselves Mien. They are linguistically grouped together with the Meo tribe in the Meo -Yao branch of the Austro - Thai family. They are found in Yunnan in China [in Kwangxi and Kwangtung Provinces of South China], from where they originated, in Laos, Viet-Nam and Burma. There are about 60,000 Yao people in Thailand. Their villages are widely scattered throughout the northeast, wi..