Tasiilaq,formerly Ammassalik and Angmagssalik, is a town in the Sermersooq municipality in southeastern Greenland. With 2,017 inhabitants as of 2013,it is the most populous community on the eastern coast, and the seventh-largest town in Greenland. The Sermilik Station, dedicated to the research of the nearby Mittivakkat Glacier, is located near the town.