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
Battle of Jutland him west of the mouth of the Skagerrak off the coast of Jutland and wait for the Germans to appear or for their intentions to become clear. The planned position would give him the widest range of responses to likely German moves. The principle of concentration of force was fundamental to the fleet tactics of this time (as in earlier periods). Tactical doctrine called for a fleet approaching battle to be in a compact formation of parallel columns, allowing relatively easy manoeuvring, and giving shortened sight lines within the formation, which simplified the passing of the signals necessary for command