Dharan (Nepali: ) is a major city in eastern Nepal, in the Sunsari District, and is situated on the foothills of the Mahabharat Range in the north with southern tip touching the edge of the Terai region at an altitude of 1148 ft (349m). It serves as a trading post between the hilly region and the plains of Terai region. It was once the location of a recruitment center for the Brigade of Gurkhas, opened in 1953. The recruitment center is closed and the campus is now the home of B.P. Koirala Institute of Health Sciences since 1993. Dharan Municipality organised a Golden Jubilee celebration of Dharan from January 28 to 31 January 2011 marking the 50th year of establishment of the municipality.