Chak people
The Chaks, are a community inhabiting the Chittagong Hill Tracts of Bangladesh, northeastern states of India. In Myanmar, they are known as Thet people classified under Rakhine subgroup.
History
By the mid-13th century, the Saks had diverged from the Kadu people, who now reside in northwestern Myanmar's Sagaing Region. The Chaks entered the Chittagong Hill Tracts in the 14th century after their kingdom was overrun by the Arakanese. Despite this, there are still Chaks living in Arakan.
Thet people
The Chak people are called Thet ( in Myanmar. They are considered a subgroup of the Rakhine people under Myanmar's 1982 ethnicity law. According to Arakanese regional media organisations, that there were nearly 6,000 ethnic Thet in Myanmar with 3,000-4,000 in Rakhine State alone.