Auschwitz:

A complex consisting of concentration, extermination, and labor camps in Upper Silesia. It was established in 1940 as a concentration camp and included a killing center in 1942. Auschwitz I: The main camp. Auschwitz II (Also known as Birkenau): The extermination center. Auschwitz III (Monowitz): The I.G. Farben labor camp, also known as Buna. In addition, there were numerous subsidiary camps..

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