Boroughs of Norway

thumb|Centre of Greåker Greåker is a borough in the city of Sarpsborg, Norway, located 7 km west of the city centre. Before 1992 Greåker was a part of Tune municipality. It is on the river Glomma between Sarpsborg and Fredrikstad.

Borgenhaugen is a borough in the city of Sarpsborg, Norway, located east of the city centre. Before 1992, Borgenhaugen was a part of Skjeberg municipality. The old Skjeberg council hall (rådhus) is located here.