Strathalbyn is a town in South Australia, in the Alexandrina Council. In 2016, the town had a population of approximately 6,500.

The Victor Harbor railway line is a 1600 mm broad gauge line in South Australia. It originally branched from the Adelaide to Melbourne line at Mount Barker Junction then ran 80.6 kilometres south to Victor Harbor. When the mainline was converted to 1435 mm standard gauge and the junction was closed, the northern end of the Victor Harbor line was curtailed at Mount Barker, 3 kilometres from the junction.