[1] Most inhabitants of the Mong Circle settled in the northwest during a migration wave from the Kingdom of Mrauk U (modern-day Arakan State in Myanmar) between the 16th and 18th centuries, while inhabitants of the other Marma chiefdom, the Bohmong Circle settled in the south and are known as ragraisa.
[1] The Mong Circle is led by a hereditary chieftain called a "raja."
[2] His predecessor, Paihala Prue Chowdhury, died in a roadside car accident on 22 October 2008.
[8][9][10] The circles were codified into law with the Chittagong Hill Tract Regulations, 1900, eased revenue collection and administrative burdens on British authorities by delegating tax collection, land administration management and social arbitration responsibilities to the chieftains.
[12] This administrative structure remained in place until 1964, when the introduction of local self-government abolished the special status of these circles and brought local administration under the control of the central government.