Belzec was the first of the Nazi German extermination camps created for the purpose of implementing the Operation Reinhard, which entailed the murder of some 2.2 million Jews, during the Holocaust. The camp was situated in German-occupied Poland about 1 km south of the local railroad station of Bełżec in the Lublin district of the General Government territory, and operated from March 17, 1942 to the end of December 1942.
Dachau concentration camp was one of the first Nazi concentration camps opened in Germany, intended to hold political prisoners. It is located on the grounds of an abandoned munitions factory near the medieval town of Dachau, about 16 km (9.9 mi) northwest of Munich in the state of Bavaria, in southern Germany. Opened in 1933 by Heinrich Himmler. here were 32,000 documented deaths at the camp, and thousands that are undocumented. Dachau was finally liberated in 1945