Mirpur District is a district of Pakistan-administered Azad Kashmir in the disputed Kashmir region. It is one of the 10 districts of Pakistan's territory of Azad Kashmir. The Mirpur District is bounded on the north by the Kotli District, on the east by the Bhimber District, on the south by the Gujrat District of Punjab, Pakistan, on the south-west by the Jhelum District of Punjab, Pakistan, and on the west by its Rawalpindi District. The district is named after its main city, Mirpur. The Mirpur District has a population of 456,200 and covers an area of 1,010 km2 (390 sq mi). The district is mainly mountainous with some plains. The Mirpur District has a humid subtropical climate which closely resembles that of the Gujrat District and the Jhelum District, the adjoining districts of Pakistan's Punjab Province.

Azad Jammu and Kashmir abbreviated as AJK and colloquially referred to as simply Azad Kashmir, is a region administered by Pakistan as a nominally self-governing entity and constituting the western portion of the larger Kashmir region, which has been the subject of a dispute between India and Pakistan since 1947. Azad Kashmir also shares borders with the Pakistani provinces of Punjab and Khyber Pakhtunkhwa to the south and west, respectively. On its eastern side, Azad Kashmir is separated from the Indian union territory of Jammu and Kashmir by the Line of Control (LoC), which serves as the de facto border between the Indian- and Pakistani-controlled parts of Kashmir. Geographically, it covers a total area of 13,297 km2 (5,134 sq mi) and has a total population of 4,045,366 as per the 2017 national census.