The Diamer District (Urdu: ضلع دیامر), also spelled Diamir District,) is a district in Gilgit-Baltistan territory of Pakistan. The headquarters of the district is the town of Chilas. The district is bounded by on the north by the Tangir and the Gilgit districts, on the east by the Astore District, on the south by the Mansehra district of Pakistan's Khyber Pakhtunkhwa Province and the Neelum District of Azad Kashmir, and on the west by the Upper Kohistan District of Khyber Pakhtunkhwa Province. The Karakoram Highway passes through the Diamer District.
