Laheriasarai is a city in North Bihar and considered as twin-city of Darbhanga. It has had a long cultural history. It has long been an integral part of Mithila and has a religious significance for many Hindus. Hindi, Maithili, Bhojpuri, Bengali, and Urdu are spoken by the people of this city. Darbhanga is the district headquarters and many of its important offices are situated in Laheriasarai. It is named after a caste called Lahiri engaged in Lahathi making (Lac Bangle). Laheriasarai consists of many small villages like Kharajpur, Barheta, etc. Laheriasarai is the administrative area of Darbhanga district.