Bhairab is a city and upazila located in the Kishoreganj District within the Dhaka Division of Bangladesh. Historically, the area was also known by the name Olukanda. The city serves as the central hub for its respective upazila.
As of the 2022 census, the Bhairab municipality has a population of 156,297 people. This population figure makes it the largest city in the Kishoreganj District and ranks as the 28th largest city in Bangladesh.