Lalbandi is a Municipality in Sarlahi District in the Janakpur Zone of south-eastern Nepal. The municipality was established on 18 May 2014 by merging the existing Jabdi, Lalbandi and Pattharkot VDCs. At the time of the 2011 Nepal Census it had a population of
59,395 people living in 3295 individual households.There are 17 wards in this municipality.It is the largest municipality in Sarlahi district.The office of this municipality is in ward no.6 Located in the Lalbandi.Lalbandi Bazar, located on the East West Mahendra highway, is one of the main trading areas within the municipal area.Bordering East Ishwarpur Municipality, West Hariwan and Haripur Municipality, North Sindhuli District and bordering Haripur and Ishwarpur in the south, Lalbandi Bazar is the main trading site of the district.