Fredericia is a town located in Fredericia municipality in the eastern part of the Jutland peninsula in Denmark, in a sub-region known locally as Trekanten, or The Triangle. It was founded in 1650 by Frederick III, after whom it was named.

Fredericia is a town located in Fredericia municipality in the eastern part of the Jutland peninsula in Denmark, in a sub-region known locally as Trekanten, or The Triangle. It was founded in 1650 by Frederick III, after whom it was named.