Jutland Danish part of the Jutland Peninsula, i.e. north of the Eider (river), Funen as well as Fehmarn. The Danish part of Jutland is currently divided into three administrative regions: North Denmark Region, Central Denmark Region and Region of Southern Denmark. These three regions have a total area of , a population of 2,599,104 (2016) and a population density of 84 per km (218 per sq.mi.). The northernmost part of Jutland is separated from the mainland by the Limfjord, a narrow stretch of water bisecting the peninsula from coast to coast. The Limfjord was formerly a long brackish water inlet, but
Battle of Jutland illustrated the irrelevance of battleship fleets following the development of the submarine, mine and torpedo. In this view, the most important consequence of Jutland was the decision of the Germans to engage in unrestricted submarine warfare. Although large numbers of battleships were constructed in the decades between the wars, it has been argued that this outcome reflected the social dominance among naval decision-makers of battleship advocates who constrained technological choices to fit traditional paradigms of fleet action. Battleships played a relatively minor role in World War II, in which the submarine and aircraft carrier emerged as the dominant offensive weapons