Auschwitz-Birkenau, near the town of Oswiecim, in then-occupied Poland Auschwitz-Birkenau was a concentration and extermination camp used by the Nazis during World War II. Located in Nazi-occupied Poland, the camp consisted of three main sites. Auschwitz I, the original concentration camp, Auschwitz II-Birkenau, a combined concentration and extermination camp, and Auschwitz III-Monowitz, a labor camp, with a further 45 satellite sites. Auschwitz, pictured in 1945, was liberated by Soviet troops 76 years ago on Wednesday after about 1.1 million people were killed in the Nazi death camp Auschwitz was an extermination camp used by the Nazis in Poland to murder...