 Borgund originally encompassed the large area north of the Storfjorden and south of the Grytafjorden, from the mainland areas of today's Skodje Municipality in the east to the islands of today's Giske Municipality and the ocean in the west.The city of Ålesund was located in the central part of Borgund, however, was not part of Borgund, and it was governed separately.At its dissolution in 1968, the municipality included the islands of Sula, Humla, Tørla, and Ellingsøya, as well as parts of Oksenøya, Hessa, and Nørvøya, plus many minor islands throughout the area.