Auschwitz was one of the main Nazi concentration camps during the Holocaust. It is also the largest Nazi concentration camp. It had three sections, and they were all used for forced labor. One of them was mainly used as a killing center. About 1.3 million people were sent to Auschwitz, and about 1.1 million of them were Jews. Also, about 1.1 million were murdered in Auschwitz. In conclusion, Auschwitz was one of the largest Nazi concentration camps that killed many Jews.