The ancient traditions of Bangladesh are Mahasthangarh.

The ancient heritage of Bangladesh is Mahasthangarh.'Mahasthan' means a place where purity and 'gur' are the fortresses. Mahasthangarh was named for its sacred fort. 13th century's Sanskrit text 'Vallalcharita' is mentioned first in the title of Mahasthan. In another 12th edition of 13th Century, the Koroto Mahatrata is also mentioned in another book. In the same manuscript, there are two other names in the same place - Pundrekshtra, Land of Pundra, and Pundran Nagar of Pundras. In 1685 an administrative degree was described as Mahasthangarh.

• This oldest and largest city, fortified by mud and red brick, is 1,525 meters long north-south,1,370 meters east-west and 5 meters high from ground level. Mahasthangarh is situated in the village Mahasthan of Shibganj upazila, 13 km north of Bogra city.In ancient times, civilization was developed based on the river so that road communication could facilitate waterways through communication  Mahasthan was located on the west bank of Korotoa river.Security measures for such an important feature that was considered as prerequisite for this organization.In order to ensure strong security, it was necessary to build the fort at that time. Founded in about 2,500 BC, this ancient archaeological and historic site is located in Shibganj upazila of Bogra district. It is located on the west bank of the Korotoya river, about 13 kilometers north of Bogra city of Dhaka-Dinajpur highway. It is believed that the rulers of the Maurya dynasty established the city. This is the oldest evidence of the cityization of ancient Bengal. From a third century BC, a broken limestone slab, which carries six lines in the 'Brahmi' script, is found in the name 'Pundranagar'.