Rangamati is one of the hill tract areas of Bangladesh. It is under the administration of Chittagong division with an area of 6116.13 sq km, located in between 22°27′ and 23°44′ north latitudes and in between 91°56′ and 92°33′ east longitudes. The total population of Rangamati is 620000. Tripura state of India is on the north, bandarban is on the south, Mizoram state of India and Chinpradesh of Mayanmar on the east, khagrachhari and chittagong districts is on the west. There are several Indigenous communities such as santal, chakma, marma, manipuri, ,lushei, Mro, Murang,tanchangya, tripura, Bome, Chak, Khumi, Kheyangpankho belong to this upazila. Main rivers are karnafuli, Kassalong, Chengi,Myani; Kaptailake is notable. Rangamati is the largest district of the country by area. There are 10 upazilas in the district RangamatiSadarUpazila, BelaichhariUpazila, BagaichhariUpazila, BarkalUpazila, JuraichhariUpazila, KaukhaliUpazila, NaniarcharUpazila, LangaduUpazila, RajasthaliUpazila and KaptaiUpazila.
Rangamati was contesting ground for the kings of Tripura and arakankingdom. The area came under the Mughal Empire after the Musliminvasion toke control over the area. A tribal leader shermosta khan took refugee with the Mughals. After the chakma settlement with other ethinicity the land was leased to east India Company. Rangamati experienced heavy contest between the kings of Tripura and arakan. As a result the king jujarupa defeated the king of Chittagong. Tripura king re conquered the region in 953 AD later went under the rule of Mughals. The English East India company took the area as a lease.
Arakan King wrote to the chief to Chittagong that some tribes like Mogh, Chakma, Murang took shelter in Chittagong Hill tracts and persecuted the people of both countries. Arakanis King wished to drive out the robbers so that the friendship between the two countries remains clean and the roads to transport the businessme. In 1829, the commissioner of British East India Company found that that dwellers of mountaineer are not British subjects but taxpayer only. The region was separated from Chittagong working from 20 June in the same year and started its work as a district. In 1868, the district headquarter was shifted from Chandraghona to Rangamati. After the liberation of Bangladesh, in 25 February 1985 due to administrative reform, Rangamati, Khagrachari and Bandarban district newly named and reformed.
Average literacy rate in the district is 43.60% and noted educational institutions are Kachal Degree College, Rangamati Government College, Rangamati Government Mohila College, Kawkhali College, Bangalhalia College, NaniarcharGhagra High School,Siddiqui Akbar Dakhil Madrasa, BetbuniaMoinulUlamRezviaDakhil Madrasa. Mainimukh Model High School, Langadu Girls’ High School, NaniarcharIslampurDakhil Madrasa,College, Rajasthali College, Barkal High School, Narangiri Government High School.
Main sources of income of Rangamati are Agriculture 59.08%, non-agricultural labourer 6.06%, commerce 10.70%, service 13.48% and others.Most popular cottage industries of Rangamati are weaving, blacksmithin. Major industries include Chandraghona paper and rayon mill, Plywood Factory, Ghagra Textile and a Satellite Station at Betbunia.
Rangamati is popular for tourism and refreshing spots. Most popular among the spots are Kaptai lake, a man-made lake which is very big in size with the average height of 150 feet. Hanging bridge, is the link to kaptai lake and the landmark of rangamati. Kaptai national park, Shuvolong Waterfalls are very popular. Tge most popular spot is the sajek valley 1800 feet high from the sea level.