Chirang is one of the 27 districts of Assam state in north-eastern India.

As of 2011 it is the second least populous district in the state, after Dima Hasao Chirang district has generally three Blocks like – 1. Borobajar, 2. Manikpur and 3. Sidli-Chirang. It is a one of the most beautiful place in Bodoland, the major tourist places are – Laoti, Hagrama Bridge, Ai Rever Bengtol, Datgari (Bhutan Border) etc. The main inhabitants of this region is Boro people, Other small community like Assamese, Muslim, Rabha, Santali, Nepali, Kuki, Rajbangsi, Bengali, Bihari, and other communities are also surviving there.

It is a relatively new district in the BTC area of the state. Chirang district has been carved out from Bongaigaon district in 2004. The word “Chirang” has derived from Garo word -“Chi” means Water and “Rang” means wealth. It may also be a copy of tsirang district of neighbouring Bhutan.

According to the 2011 census Chirang district has a population of 481,818, roughly equal to the nation of Suriname.This gives it a ranking of 547th in India (out of a total of 640).The district has a population density of 244 inhabitants per square kilometre (630/sq mi) . Its population growth rate over the decade 2001-2011 was 11.26%. Chirang has a sex ratio of 969 females for every 1000 males, and a literacy rate of 64.71%.

In 1990 Chirang district became home to Manas National Park, which has an area of 500 km2 (193.1 sq mi).It shares the park with four other districts.