historic buildings, historic maps, topography



Detail of a map by Christian Gedde from 1761 in Stadsarchiv Copenhagen

The citadel in Copenhagen, normally referred to as Kastellet, is a well-preserved, star-shaped fortress that was built in the 17th century to guard the approach to the harbour. 

It was well over a kilometre east of the east gate of the city with a clear view over the sound. Work started in 1626, in the reign of Christian IV, with the construction of St Anne’s Redoubt - Sankt Annæ Skanse - but work and ongoing alterations continued through to the 1660s, with major remodelling and improvements after the Swedish Army attacked the city in the war of 1658-60. The complex of defensive embankments, moats and military buildings were ostensibly complete by the 1720s in the arrangement that can still be seen today.

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