Holsteinborg ( da, Holstein Castle, ''Fort Holstein'') may refer to:
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Holsteinborg Castle
Holsteinborg Castle is a manor house located southeast of Skælskør, Slagelse Municipality, Denmark. It was built in the first half of the 17th century by members of the Trolle family, who gave it the name Trolholm, but has been owned by the Hol ...
in eastern Denmark
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Holsteinborg (surname), a Danish noble family
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Holstein-Holsteinborg (surname), a Danish noble family
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Sisimiut
Sisimiut (), formerly known as Holsteinsborg, is the capital and largest city of the Qeqqata municipality, the second-largest city in Greenland, and the largest Arctic city in North America.The term 'city' is loosely used to describe any popula ...
, Greenland, formerly known as Holsteinsborg or Holsteinborg
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