Flossenbürg concentration camp German resistance who had conspired to assassinate Hitler and who were executed on 9 April 1945. Since 2016, a digital book of the dead is available online and contains the names of more than 21,000 known prisoners who perished in the concentration camp Flossenbürg concentration camp Flossenbürg concentration camp () was a Nazi concentration camp built in May 1938 by the SS Main Economic and Administrative Office at Flossenbürg, in the Upper Palatinate region of Bavaria, Germany, near the border with Czechoslovakia. Until its liberation in April 1945, 89,964 prisoners passed through the camp, around 30,000 of whom died there.
Gross-Rosen concentration camp war industries. Among the companies that benefited from the slave labour of the concentration camp inmates were German electronics manufacturers such as Blaupunkt, Siemens, as well as Krupp, IG Farben, and Daimler-Benz, among others. Some prisoners who were not able to work but not yet dying were sent to the Dachau concentration camp in so-called "invalid" transports. The largest population of inmates, however, were Jews, initially from the Dachau and Sachsenhausen camps, and later from Buchenwald. During the camp's existence, the Jewish inmate population came mainly from Poland and Hungary; others were from Belgium, France, Netherlands, Greece, Yugoslavia, Slovakia, and