Demagiri is situated on the Bangladesh border. This place, 85 km from Lunglei
, serves as Mizoram
’s natural outlet to the Bangladesh seaport of Chittagong. This place is inhabited by Chakmas, the principal indigenous tribe of the Chittagong Hill Tracts.
Thangliana Lung, a memorial stone erected in memory of Captain T H Lewin, is the main attraction. Karnaphuli River, rising in the Mizo Hills, enters Bangladesh at this place.