The Marma; also known as Magh or Mog; are Arakanese descendants inhabiting the Chittagong Hill Tracts of Bangladesh since the Arakan kingdom period in the 16th century AD. In the late 20th century; their population stood at over 210;000. Ethnically related to the Burmese; they are largely followers of Theravada Buddhism. They are the second largest ethnic minority group in Bangladesh. Most Marmas live in the three hill districts of Rangamati; Bandarban and Khagrachhari.

The headquarter of the Raja or Chief of the Marma society is located at Bandarban; CHT. Marmas speak Arakanese dialect and their language is written in Burmese characters. Marma language belongs to the Burmano-Arakan group within the broad classifications of Tibeto-Burman languages. In recent times; Marmas in urban areas and nearby settlements speak the corrupt local language of Chittagongnian.