Sarai Union is a union of Lama Upazila under Bandarban District.
Demography According to 2022 census, total population of the Union are 14,863. Among them, 10,148 are Muslim, 1,905 are Christian, 1,699 are Buddhist, 379 are Hindu and 732 are others.
Ethnicity This Union is home to a variety of different ethnic groups. Among them, 10,667 are Bengali, 2,138 are Mru, 1,028 are Tripura, 469 are Marma and 561 are of others ethnic groups.
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