North European Plain North European Plain The North European Plain (, North German Plain, or "Mitteleuropäische Tiefebene", , Middle European Plain) is a geomorphological region in Europe, mostly in Poland, Denmark, Germany, Belgium, the Netherlands (Low Countries), and a small part of northern France and Czech republic. It consists of the low plains between the Hercynian Europe (Central European Highlands) to the south and coastlines of the North Sea and the Baltic Sea to the north. These two seas are separated by the Jutland Peninsula (Denmark). The North European Plain is connected to East European Plain, together forming the European Plain. The Northern
Jutland border between the Danish and German realms from c. 850 to 1864. Although most of Schleswig-Holstein is geographically part of the Jutland peninsula, most German residents there would not identify themselves with Jutland or even as "Jutlanders", but rather with "North Germany" () and Schleswig-Holstein, considering themselves "Northern Germans" () and "Schleswig-Holsteiner". The medieval law Code of Jutland applied to Schleswig until 1900 when it was replaced by the Prussian Civil Code. Some rarely used clauses of the Jutlandic Code still apply north of the Eider, even some cities south of the river- all of Rendsburg and more than half