The constituency encompasses Bijoynagar and Brahmanbaria Sadar upazilas.

Ahead of the 2008 general election, the Election Commission redrew constituency boundaries to reflect population changes revealed by the 2001 Bangladesh census.

[5] Ahead of the 2014 general election, the Election Commission expanded the boundaries of the constituency to include all of the former Brahmanbaria Sadar (which in 2010 had been split into a smaller Brahmanbaria Sadar Upazila and the new Bijoynagar Upazila).

Previously the constituency had excluded six union parishads: Budhal, Budhanti, Chandura, Harashpur, Majlishpur, and Purba Talsahar.

[11] Obaidul Muktadir Chowdhury of the Awami League was elected in a January 2011 by-election, defeating BNP candidate Khaled Mahbub.