Jutland peninsula is made up of the German Bundesland of Schleswig-Holstein. Schleswig-Holstein has two parts: the former duchies of Schleswig (Danish fief) and Holstein (German fief), both of which have passed back and forth between Danish and German rulers several times. The last adjustment of the Danish–German border followed the Schleswig Plebiscites in 1920 and resulted in Denmark's regaining Northern Schleswig ( or more commonly today: "Sønderjylland"). The historical southern border of Jutland are areas south of Kiel, Husum and Rendsburg, but the river Eider was the border between the former duchies of Schleswig and Holstein, as well as the historical
State Prison of East Jutland This division also houses the prison's medical department. The East Jutland prison is very modern in terms of both security and design. Security measures include fingerprint readers instead of keys, high walls, and two long fences. All outdoor areas are video monitored, and there are also motion sensors and infrared cameras throughout the prison. State Prison of East Jutland State Prison of East Jutland () is a Danish prison located at Enner Mark, west of the city of Horsens, and inaugurated on 2 October 2006. The prison replaced the old Horsens Statsfængsel Prison, from which the last prisoners were removed