Encyclopedia of Camps and Ghettos, 1933–1945 is a seven-part encyclopedia series that explores the history of the concentration camps, ghettos, forced-labor camps, and other sites of detention, persecution, or state-sponsored murder run by Nazi Germany and other Axis powers in Europe and Africa. The series is produced by the United States Holocaust Memorial Museum (USHMM) and published by Indiana University Press. Research began in 2000; the first volume was published in 2009; and the final volume is slated for publication in 2025. Along with entries on individual sites, the encyclopedias also contain scholarly overviews for historical context.

The United States Holocaust Memorial Museum (USHMM) is the United States' official memorial to the Holocaust. Adjacent to the National Mall in Washington, D.C., the USHMM provides for the documentation, study, and interpretation of Holocaust history. It is dedicated to helping leaders and citizens of the world confront hatred, prevent genocide, promote human dignity, and strengthen democracy.