The municipality covered the area surrounding the entrance to the large Folda fjord plus the area surrounding the northern branch of that fjord. It included the southern part of what is now Steigen Municipality, the northern part of the present-day Bodø Municipality, and the northern part of what is now Sørfold Municipality.
The municipality encompassed the region surrounding the entrance to the large Folda fjord, along with the area surrounding its northern tributary. It also included the southern portion of what is now Steigen Municipality, the northern part of the present-day Bodø Municipality, and the northern part of what is now Sørfold Municipality.