The Cathedral of Haderslev, “Our Lady”, is the oldest building in the City. The first church we know of was build of ashlar masonry in the middle of the 12th century.
Slivsø is Southern Jutland’s third largest lake. It is located between Sønder Vilstrup, Hoptrup (8 km south of Haderslev), and Diernæs in Haderslev Municipality. The surface area of the lake is approx. 164 hectares.