Lakhisarai (archaic spelling: Luckeesarai, pawan dharti) town is the administrative headquarters of Lakhisarai district in Bihar state in eastern India. The town has a population of 77,840 (2001 census). It is well connected by road and rail routes. It is situated on Patna-Howrah main line passing through Kiul junction. NH-80 passes through the town. The town has a number of small scale industrial units, which include iron rod manufacturing, rice mills, sindur (vermilion) factories, drugs manufacturing and insecticide manufacturing units.
The rivers, namely Ganga, Haroohar and Kiul pass through Lakhisarai district. Also,there is a good temple named Ashok Dhaam.Template:Ashok Dhaam Lakhisarai was an established administrative and religious centre during the golden period of Pal bansh. This region of Lakhisarai was identified in old times as a place of rocks, mountains and statues of different Hindu and Bhuddhist gods and goddesses. Even in Buddha literature this place had been mentioned as "Anguttri" meaning thereby a district status. This beautiful place, naming Lakhisarai came into existence, as a new district from Munger . Hence this place in the ancient period also can be identified with the name of Munger or Ang Pradesh. Lakhisarai region during Pal administration was the capital of Pals for some period. Other evidences found in the district under the Pal Dharampal. Noted Historian Dr. D.C. Sarkar during his visit, found some more evidences on the basis of which, he also confirmed that this place was very important "Krimila" Subject during Pal administration. Monument of Madan Pal of period 1161-1162 was found in Balgudar consist Narayana statue as Krimila Subject. Chinese traveler Huen Tsang described this place having 10 Buddha mathas and more than four hundred Buddhists resided here. Most of the Buddhists living here were Heenyanis. There were 10 temples also of Hindus and people lived here with peace and harmony. People of that time used to live in a very planned manner. Also, according to historian Sri Radha Krishna Chaudhary all the Buddha mathas were situated in southern side of Ganga and the king of Pal Bans was also a Buddhist. This region of Lakhisarai was ruled over in seventh century to eleventh century by the administrator of Pal Bans. Sen family also ruled this region for some period in 11th century. Acharya Hawaldar Triapthi mentioned this region of Lakhisarai on the basis of "Mritika Mudra" kept in Nalanda. It means that Krimila was very important and Caval Gram was very important. The people believe that Krimila of that period is now Kiul Basti, which is situated in Southern side of Lakhisarai Railways station. Krimila was a center of Buddhist religion. Lord Buddha also stayed here for three years on Chaliya Mountain and Jantugram was nearby Chliya mountain and was situated on bank of river Krimikala, where Lord Buddha with his followers used to visit and deliver speech. It is convincing that Krimikala is now in Kiul river and Chaliya mountain is nothing but Jainagar mountain.