Bamna (Bengali: বামনা) is an Upazila of Barguna District[1] in the Division of Barisal, Bangladesh.
According to the 2011 Bangladesh census, Bamna Upazila had a population of 79,564 living in 19,537 households. 17,529 (22.03%) were under 10 years of age. Bamna has a literacy rate (age 7 and over) of 61.1%, compared to the national average of 51.8%, and a sex ratio of 1018 females per 1000 males. 7,744 (9.73%) lived in urban areas.[4][3]
Bamna Upazila is divided into four union parishads: Bamna, Bukabunia, Dauatola, and Ramna. The union parishads are subdivided into 39 mauzas and 49 villages.[2]