Sirajganj District is a district in the North Bengal region of Bangladesh, located in the Rajshahi Division. It is an economically important district of Bangladesh. Sirajganj district is the 25th largest district by area and 9th largest district by population in Bangladesh. It is known as the gateway to North Bengal.

North Bengal or Uttar Banga is a term used for the north-western part of Bangladesh and northern part of West Bengal. The Bangladesh part denotes the Rajshahi Division and Rangpur Division. Generally, it is the area lying west of Jamuna River and north of Padma River and includes the Barind Tract. The West Bengal part denotes Jalpaiguri Division and the Malda division together. The Bihar parts include the Kishanganj district. It also includes parts of Darjeeling Hills. Traditionally, the Ganga River divides Bengal into South Bengal and North Bengal, divided again into Terai and Dooars regions. Jalpesh and jatileswar are some of the most popular sacred places.