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
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