[4] Over 65% of the Buddhist population is concentrated in the Chittagong Hill Tracts region, where it is the predominant faith of the Rakhine, Chakma, Marma, Tanchangya, other Jumma people and the Barua.

Legend said that Gautama Buddha came to the region to spread Buddhism, and it was speculated that one or two individuals became monks to follow in his footsteps.

The Pala Empire that controlled the Indian subcontinent spread many Buddhist ideologies in modern Bangladesh and built many monasteries such as the Mahasthangarh and the Somapura Mahavihara.

During the Pala Dynasty, a famous teacher named Atisha was born in the city of Bikrampur and spread Mahayana Buddhism.

Chandra Dynasty's Puranchandra and Subarnachandra adopted Buddhism, as did their successors Trailokyachandra and Srichandra who ruled Harikel and Chandradwip (Barisal).

Buddhism outside the monastic retreats has absorbed and adapted indigenous popular creeds and beliefs of the regions to which it has spread.

[7] In most areas religious ritual focuses on the image of the Buddha, and the major festivals observed by Buddhists in Bangladesh commemorate the important events of his life.