Augustenborg, Denmark

Augustenborg
Town
Augustenborg
Augustenborg
Location in Denmark
Augustenborg
Augustenborg (Region of Southern Denmark)
Coordinates: 54°56′50″N 9°52′17″E / 54.94722°N 9.87139°E / 54.94722; 9.87139
CountryDenmark
RegionSouthern Denmark
MunicipalitySønderborg
Area
  Urban
2 km2 (0.8 sq mi)
Population
 (2025)
  Urban
3,118
  Urban density1,600/km2 (4,000/sq mi)
Time zoneUTC+1 (CET)
  Summer (DST)UTC+2 (CEST)
Postal code
DK-6440 Augustenborg

Augustenborg (German: Augustenburg) is a town on Als Island in Sønderborg Municipality, Region of Southern Denmark in Denmark. The town lies at the head of Als Fjord. To the east is the Little Belt. Ferry service connects Augustenborg to the island of Funen from the nearby town of Fynshav.

Augustenborg has a population of 3,118 (1 January 2025). It was the main town of Augustenborg Municipality until its merger into Sønderborg Municipality in 2007.