Konzentrationslager Stutthof - 2077 days of hell
Konzentrationslager Stutthof was the first and longest-existing Nazi German concentration camp in the current territory of the Republic of Poland. It was founded on September 2, 1939, near the town of Sztutowo (Stutthof) and existed as long as the war lasted - 2077 days. Its liberation took place only on May 9, 1945.
History, victims, torturers, commanders, photos, articles - at the link below.