South Tripura district is an administrative district in the state of Tripura in northeastern India.
The district came into existence on 1 September 1970, when the entire state was divided into three districts.
The district occupies an area of . The district headquarters are located at Belonia.
District has three sub divisions (Belonia, Sabroom and Santirbazar).
The district resides in two Lok Sabha constituencies: Tripura West (shared with West Tripura district) and Tripura East (shared with Dhalai and North Tripura districts. It is also split between seven Legislative assembly constituencies : Belonia, Hrishyamukh, Jolaibari, Manu, Rajnagar, Sabroom and Santirbazar.
According to the 2011 census South Tripura district has a population of 876,001, roughly equal to the nation of Fiji or the US state of Delaware. This gives it a ranking of 471st in India (out of a total of 640). The district has a population density of . Its population growth rate over the decade 2001âÂÂ2011 was 14.03%. South Tripura has a sex ratio of 957 females for every 1000 males, and a literacy rate of 85.41%.
In 1987, South Tripura district became home to the Trishna Wildlife Sanctuary, which has an area of . It is also home to the Gumti Wildlife Sanctuary, which was established in 1988 and has an area of .