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Sibbesborg Fortress
Sibbesborg Fortress was once located on Storängsholmen Island in the Sipoo estuary.
↗ https://www.suomi.fi/services/servicepoint/sibbesborg-fortress-the-municipality-of-sipoo/1a9bd245-28ea-459d-96d2-ab2c88f20a9cSibbesborg Fortress was once located on Storängsholmen Island in the Sipoo estuary.
↗ https://www.suomi.fi/services/servicepoint/sibbesborg-fortress-the-municipality-of-sipoo/1a9bd245-28ea-459d-96d2-ab2c88f20a9c