Qaqortoq, also known by its Danish name Julianehåb, is a town in southwestern Greenland. With a population of 3,100, it is South Greenland's biggest town. It is the fourth biggest town in Greenland. The name Qaqortoq is Western Greenlandic, and it means "white". Qaqortoq also is the seat of the municipality of Qaqortoq which apart from the town itself includes three small settlements. Qaqortoq was founded by Norwegian Anders Olsen in 1775. Near Qaqortoq are the Hvalsey ruins, the most famous Norse ruins in Greenland.