Kolhabi is a town and municipality (Nepal) in Bara District in the Narayani Zone of south-eastern Nepal. At the time of the 1991 Nepal census it had a population of 4,637 persons living in 746 individual households.But now it is densely populated and many more houses and settlements have been built. Now, it is diversely populated as well. Many people from different parts of the country have migrated here. Some people of India have also made their permanent settlement here.It is growing in the sector of business very well. It has become one of the famous Business Center of Bara district.