Sachsenhausen or Sachsenhausen-Oranienburg was a Nazi concentration camp

Nazi concentration camps

Nazi Germany maintained concentration camps throughout the territories it controlled. The first Nazi concentration camps set up in Germany were greatly expanded after the Reichstag fire of 1933, and were intended to hold political prisoners and opponents of the regime...

 in Oranienburg

Oranienburg

Oranienburg is a town in Brandenburg, Germany. It is the capital of the district of Oberhavel.- Geography :Oranienburg is a town located on the banks of the Havel river, 35 km north of the centre of Berlin.- Division of the town :...

, Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

, used primarily for political prisoners from 1936 to the end of the Third Reich in May, 1945. After World War II, when Oranienburg was in the Soviet Occupation Zone, the structure was used as an NKVD special camp

NKVD special camps

NKVD special camps were NKVD-run late and post-World War II internment camps in the Soviet-occupied parts of Germany and areas east of the Oder-Neisse line. The short-lived camps east of the line were subsequently transferred to the Soviet occupation zone, where they were set up by the Soviet...

 until 1950 (See NKVD special camp Nr. 7

NKVD special camp Nr. 7

NKVD special camp Nr. 7 was a NKVD special camp that operated in Weesow until August 1945 and in Sachsenhausen from August 1945 until the spring of 1950. It was used by the Stalinist Soviet occupying forces to detain political prisoners....

). The remaining buildings and grounds are now open to the public as a museum.
The camp was established in 1936.