The State of Tripura lies approximately between the lattitudes 22 degrees 56 minutes, and 24 degrees 32 minutes North and between longitudes 91 degrees 0 minutes and 92 degrees 22 minutes East. South Tripura District is situated approximately between East longitude 91 degrees 18 minutes and 91 degrees 59 minutes and between North lattitude 22 degres 56 minutes and 23 degrees 45 minutes. The South Tripura District is bounded on the North by Dhalai district and West Tripura District, while on the other sides by international border with Bangladesh. The total geographical area of South Tripura District is 2624 Sq.km which is about 25% of the total state area.

The climate of the District is mostly warm and is characterized by a humid summer and a dry cool winter with plenty of rains during July to October. Rainfall is received from the South -West Monsoon, which normally breaks in the month of May. Hailstorm generally occurs during the month of April & May, occasionally causing damage to the field crops. Autumn and Spring are of very short duration. Average annual rainfall in the district is about 2000 mm and the temperature varies between a maximum of 35.23° and a minimum of 7.43° Celsius. The variation in temperature is much lower during the rains than during any other season.