Chitwan District (Nepali: चितवन जिल्ला Listen (help·info), is one of the seventy-five Districts of Nepal, a landlocked country of South Asia. The district is in the western part of Narayani Zone with Bharatpur, the Fifth largest city of Nepal, as its district headquarters. It covers an area of 2,218 km2 (856 sq mi), and in 2011 had a population of 579,984 people. Bharatpur is a commercial and service centre of central south Nepal and merger destination for higher education, health care and transportation of the region.
The district takes its name from the Chitwan Valley, one of Nepal's Inner Terai valleys between the Mahabharat and Siwalik ranges, both considered foothills of the Himalayas.
Bharatpur, on the bank of Narayani River, is the main town with numerous shopping zones where people come from all over the district and neighbouring districts.
Now there are about 40 Village Development Committees (each of which has nine wards or villages) and one sub-Metropolitan city - Bharatpur and a municipality Ratnanagar each of which has more than nine wards or urban areas.