The river runs from lake Aursunden[?] near Røros in Sør-Trøndelag and runs into the Oslofjord[?] at Sarpsborg.
... population density is 248.2/km² (643.1/mi²). There are 2,251 housing units at an average density of 155.8/km² (403.6/mi²). The racial makeup of the ...