Öregrund is a small town in Östhammar Municipality, located at the coast of northern Uplandia in the eastern part of Sweden. The town was founded in 1491 by citizens from Östhammar. Östhammar is a Municipality in Uppsala County, in east central Sweden. ... Uplandia, or Uppland, is a historical Province or Landskap on the eastern coast of Sweden. ... Events December 6 - King Charles VIII marries Anne de Bretagne, thus incorporating Brittany into the kingdom of France. ...