- visitdenmark.com denmark/plan-your-trip/museum-…Visit one of Sønderborg's Top-Attractions - Sønderborg Castle, where King Christian II was imprisoned, and learn more about the history of Sønderjylland.
- instagram.com explore/locations/266708717/denmark…
- outdooractive.com en/poi/denmark/sonderborg-…The town of Sønderborg arose under the protection of the castle. The strong castle was used as a prison for the Danish King Christian II from 1532 to 1549.
- britannica.com place/SonderborgIt was founded in the mid-13th century around Sønderborg Castle and chartered in 1461. King Christian II was a prisoner at the castle 1532–49.
- OpenTripMap.com en/card/R2415351Sønderborg Castle (Danish: Sønderborg Slot) is located in the town of Sønderborg, Denmark on the island of Als in South Jutland.
- komoot.com guide/370002/castles-in-snderborg...hike outdoors or walk your way around the grounds with a guide — is always something special, and you’ve got 6 beautiful castles to choose from in Sønderborg.
- travel.sygic.com en/poi/sonderborg-castle-poi:…Sønderborg Castle is located in the town of Sønderborg, Denmark on the island of Als in South Jutland.
- visitdenmark.nl denemarken/reis-plannen/…Sønderborg Castle. Route. Bekijk foto’s. ... The castle was founded before 1200 and was from 1550-70 rebuilt into a four wing Renaissance castle.
- hellotravel.com denmark/sonderborg-castleSonderborg Castle Tourism (2024) Denmark: Find top attractions, things to do & activities in Sonderborg Castle, sønderborg.
- triphobo.com places/s-nderborg-denmark/s-nderborg…95% of people who visit Sønderborg include Sonderborg Castle in their plan. Number of Times Sonderborg Castle is Added in Itineraries.