What concentration camp was Otto Frank sent to?
Like the other members of the Frank family, Otto was sent to Auschwitz from Westerbork. He remained there and was one of the few prisoners liberated by the Soviet Army on 27 January 1945. (Anne and Margot Frank was moved from Auschwitz to Bergen-Belsen on 30 Octobeer 1945. Edith was left at Auschwitz, where she died in early January 1945).