The
Dhaiso, or Daiso, are an ethnic and linguistic group based at the foot of the
Usambara Mountains in the
Muheza District of
Tanga Region in northeastern
Tanzania. In 1999 the Dhaiso population was estimated to number 5,000, and the
Dhaiso language is not being transmitted by adults to children. The Dhaiso are historically related to the
Segeju 