The presented article focuses on International Tracing Service (from 2019 operating under the name The Arolsen Archives – International Center on Nazi Persecution), world’s biggest archive on Holocaust victims and survivors, which activity is analyzed in the context of individual and collective memory of the Shoah. The article references, among others, concepts introduced by Jan Gross, Marianne Hirsch and Dan Stone in order to depict International Tracing Service as an important agent in shaping the European memory of the Holocaust.