Borgarvirki  lies between Vesturhóp  and Víðidalur  in the north of Iceland, and at 177m above sea level it dominates the surrounding region. Made out of basalt strata, it has been used as a fortress.
Borgarvirki, located in the north of Iceland, is a prominent geographical feature with a history of military use. Its position between Vesturhóp and Víðidalur, at an elevation of 177 meters above sea level, makes it a dominant landmark.