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1944, in reference to the Nazis, probably translating German Todeslager; they also were known as extermination camps (German Vernichtungslager); historians usually count six of them: Auschwitz-Birkenau, Chełmno, Bełżec, Majdanek, Sobibór, Treblinka.
Nazi German concentration camp that specialized in the mass annihilation (Vernichtung) of unwanted persons in the Third Reich and conquered territories. The camps' victims were mostly Jews but also included Roma (Gypsies), Slavs, alleged mental defectives, and others. The extermination camps played a central role in the Holocaust.