Bandarban Sadar () is an upazila of Bandarban District in the Division of Chittagong, Bangladesh.
Bandarban Sadar is located at . It has a total area of 501.98 km<sup>2</sup>.
According to the 2022 Bangladeshi census, Bandarban Sadar Upazila had 25,844 households and a population of 111,096. 9.02% of the population were under 5 years of age. Bandarban Sadar had a literacy rate (age 7 and over) of 73.86%: 78.62% for males and 68.59% for females, and a sex ratio of 109.99 males for every 100 females. 76,046 (68.45%) lived in urban areas.
Islam the largest religion in Bandarban Upazila. Islam is being followed by about 46% of the population. Buddhists form the second-largest religious minority. According to the 2022 census Buddhists form 36% of the total population.
ð© Muslim majority ð¨ Buddhist majority ðÂÂÂ¥Tribal Religion Majority
The ethnic population was 47,804 (43.03%), of which Marma were 26,628, Mru 7,280, Tanchangya 5,605, Bom 2,748, Tripura 1,771, Chakma 1,664 and Khiang 1,310.
ð© Bengali majority ð¦ Marma majority ð« Mro Majority
Bandarban Sadar Upazila is divided into Bandarban Municipality and five union parishads: Bandarban, Kuhalong, Rajbila, Suwalak, and Tankabati. The union parishads are subdivided into 16 mauzas and 225 villages.
Bandarban Municipality is subdivided into 9 wards and 69 mahallas.