Selfoss (town)

Selfoss
Town
View over Selfoss, looking over Ölfusá river
Location of the Municipality of Árborg
Selfoss
Location in Iceland
Coordinates: 63°56′N 21°00′W / 63.933°N 21.000°W / 63.933; -21.000
CountryIceland
ConstituencySouth Constituency
RegionSouthern Region
MunicipalityÁrborg
First settled1891
Incorporated as a municipality1946
Population
 (2025)
 • Total
10,420
Time zoneUTC+0 (GMT)
Postal code
800
WebsiteOfficial website

Selfoss (Icelandic pronunciation: [ˈsɛlˌfɔsː] ) is a town in southern Iceland on the banks of the Ölfusá river. It is the seat of the municipality of Árborg. The Icelandic Route 1 runs through the town on its way between Hveragerði and Hella. The town is a centre of commerce and small industries with a population of 10,420 (2025), making it the largest residential area in South Iceland.