Selfoss, Iceland

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 11,000 (2023), making it the largest residential area in South Iceland.

Selfoss is located about 11 km inland from the southwestern coast of Iceland, and 50 km from Reykjavík. It is the major town and the administrative seat of the Southern Region. The closest other towns are Eyrarbakki, Stokkseyri and Hveragerði.