Malangwa is the headquarter of Sarlahi district located 25 km south from Nawalpur of Mahendra Highway. The boundary of Malangwa Municipality are as follows: East-Tribhuwannagar & Belhi VDC & Sonbarsha ,India West: Motipur VDC North: Gamhariya VDC South: Khutauna VDC & Sitamadi ,India . Malangwa covers total area of 13.7 sq. km. Total population of Malangwa is 30292 according to National Census report 2068 which includes 15568 Male and 14724 Female with total households 5266.