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Free places to visit in Sønderborg
4 places you can visit without a ticket
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Sønderborg Castle
Sønderborg
Free outside, paid inside
Sønderborg harbourfront
Sønderborg
Free, always
Dybbøl Banke
Sønderborg
Free, always
Dybbøl Mill
Sønderborg
Free outside, paid inside
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