Coordinates: 64°46′00″N 21°39′00″W / 64.766667°N 21.65°W Stafholtstungnahreppur was formerly a rural parish (hreppur) in Mýrasýsla county, west Iceland, described as a "typical farm parish". On 11 June 1994 Stafholtstungnahreppur united with Borgarnes, Hraunhreppur and Norðurárdalshreppur under the name Borgarbyggð.