Selfoss is the main town and seat of Árborg in southern Iceland. It is on the banks of the Ölfusá river, 50 kilometres (31 mi) southeast of Reykjavík. 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.
- Country
- Iceland
- Website
- https://www.arborg.is/
