Augustenborg Postal Codes: 6440 | Sønderborg, Syddanmark
The Postal Codes (Postnumre) for Augustenborg is 6440 in Sønderborg, Syddanmark, Sønderborg, Denmark. The table below lists Postal Codes and postcodes for places within Augustenborg.
Postal Codes for Places in Augustenborg
Showing 2 places in Augustenborg. Last verified with official records on May 2, 2026.
| Augustenborg | |
| Vollerup Under Augustenborg |
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Sample Address Format for Augustenborg
[Sender Street Address]
[City, ZIP]
[Country]
Street Address / PO Box
Augustenborg, Sønderborg, Syddanmark, 6440
DENMARK
Augustenborg on the Map
The map above highlights the geographic boundaries of the Augustenborg parishes in Denmark.
Augustenborg Quick Facts
| Country | Denmark (DK) |
|---|---|
| Administrative Path | Denmark → Syddanmark → Sønderborg |
| Postal Code | 6440 |
| Regions | Syddanmark |
| Municipalities | Sønderborg |
| ISO Codes | DK / DNK / 208 |
| Top-level domain (ccTLD) | .dk |
| Coordinates | 54.919615, 9.810087 |
| Places | 2 |
What to Know About Augustenborg
Key Facts
Augustenborg is a town located in the Sønderborg Municipality within the Syddanmark region of Denmark. Situated on the Als Fjord in the eastern part of the Jutland peninsula, Augustenborg occupies a strategic position on the island of Als, connected to the mainland by the Als Strait Bridge. The town covers an area of approximately 3.4 square kilometers and has a population of around 3,200 residents. Augustenborg is historically significant as the ancestral seat of the House of Augustenburg, a ducal family that played an important role in Danish and German history. The town is organized within the municipal structure of Sønderborg, which encompasses multiple towns and settlements across the island. Augustenborg's urban layout centers around the impressive Augustenborg Palace and its surrounding parklands, which form the cultural heart of the community. For detailed postal code information and addressing needs within Augustenborg's various districts and neighborhoods, comprehensive municipal records are maintained by Sønderborg Municipality.