Auschwitz, Bergen-Belsen, Buchenwald
The last camp is Auschwitz, one of the most ruthless concentration camps of World War II. The full name of Auschwitz is Auschwitz-Birkenau. Auschwitz operated between January 1942 and March 1943, during that time approx. 1.1 million people were murdered. Auschwitz was mostly a labor camps but they turned one section into a gas chamber. Soviet troops liberated Auschwitz on January 27, 1945.