Answer:
The Nazis and their allies ran more than 44,000 camps, ghettos, and other sites of detention, persecution, forced labor, and murder during the Holocaust. Few people know about the breadth of the Nazi camp system and the conditions in those places—including the broad range of prisoner experiences. The Encyclopedia of Camps and Ghettos, 1933–1945, aims to answer basic questions about as many of those sites as possible.
