Hvammstangi is an Icelandic village in the north-west part of the country, on Vatnsnes peninsula, situated on the Miðfjörður.
It is the most densely populated area in the Húnaþing County, with a current population of about 580 people.
It is an important service center for the surrounding area, it is also a regional provider of education, it has been an important trading center since 1846. The town has a growing tourism and administration industry, the fishing industry (providing mainly shrimp) is also very important to the towns economy, the town also owns the largest textile factory in Iceland.
Coordinates: 65°24′N 20°57′W / 65.400°N 20.950°W