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Sønderborg

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!

Last updated: October 18, 2025

Glücksburg Castle

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.

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1a view of the Glücksburg moated 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 (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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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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Looking for the best castles somewhere else? Discover other guides in Sønderborg:

NyborgAabenraaFaaborg-MidtfynAssensNordfynMiddelfartKertemindeVejleFredericiaOdenseKoldingLangelandTønder

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