Who are the San Chay?  The San Chay people are found in Vietnam and China.  Their name means "people who live on pilings."  Many came to Vietnam from China in two main waves, the first in the early 1600's and the second at the beginning of the 1800's.   This is largely an unreached people group, with only about 6,000 Christians known.   

 They are a Tay-Thai people.  Their language is closely related to the Nung and Tay people groups, and they sometimes use the same language as their neighbors.

The 140,000 San Chay in Vietnam are divided into three main groups:  the San Chay Ban (Cao Lan), the San Chay Ha (Mountain Thatching Grass San Chay), and the San Chay Moc (Forest San Chay). 

They are also called San Chi, Man Cao Lan, Hon Chung and Hon Ban.  In China, the most common name is "Man Cao Lan."