Southern Jutland now part of the Region of Southern Denmark. Southern Schleswig is a part of the German federal state Schleswig-Holstein. Both parts cooperate today as a Euroregion called Sønderjylland–Schleswig, which covers most of Southern Jutland. Southern Jutland Southern Jutland () is the name for the region south of the Kongeå in Jutland, Denmark and north of the Eider (river) in Schleswig-Holstein, Germany. The region north of the Kongeå is called Nørrejylland ("Northern Jutland"). Both territories had their own ting assemblies in the Middle Ages (in Viborg and Urnehoved). Southern Jutland is mentioned for the first time in the Knýtlinga saga. In
Jutland a breaching North Sea flood in 1825 created a coast to coast connection. This area is called the North Jutlandic Island, Vendsyssel-Thy (after its districts) or simply "Jutland north of the Limfjord"; it is only partly co-terminous with the North Jutland region. The islands of Læsø, Anholt and Samsø in Kattegat and Als at the rim of the Baltic Sea South are administratively and historically tied to Jutland although the latter two are also regarded as traditional districts of their own. Inhabitants of Als would agree to be South Jutlanders, but not necessarily Jutlanders. The Danish Wadden Sea Islands and