The Top 18 Castles in Sønderborg
A visit to a castle — whether you stumble over one during a hike outdoors or walk your way around the grounds with a guide — is always something special, and you’ve got 18
beautiful castles to choose from in Sønderborg. Just browse our list to find your top castle , and add some history to your next adventure!
beautiful castles to choose from in Sønderborg. Just browse our list to find your top castle , and add some history to your next adventure!
Last updated: October 18, 2025
Glücksburg Castle
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On a very well-developed hiking and cycling path around the Schloßsee, there are always new perspectives at different times of the day.
The circumnavigation of the lake does not take long.
The circumnavigation of the lake does not take long.
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View of Glücksburg Castle
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1a view of the Glücksburg moated castle.
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Nordborg Castle
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The castle was rebuilt in 1910. A further education school was built in 1921 by the merchant Johan Hansen from Copenhagen. The castle is used as a boarding school and …
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Augustenborg Palace
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Augustenborg (German Augustenburg) is a town in the municipality of Sønderborg, Region Syddanmark, Denmark. It is located on the island of Als (German Alsen). On January 1, 2023, the town …
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Gråsten Palace
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Definitely visit the castle and the royal kitchen garden, very beautiful garden, very nice employees, nice shop with great high-quality souvenirs, plants and great service. Tasty cakes and sandwiches, good selection. Admission free - it's worth a visit!
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