The concentration camp in Bretstein was an external camp of the concentration camp in Mauthausen located in Upper Austria, which directed about more than 50 external camps. In Bretstein, at least 170 prisoners were locked up in four barracks, which were surrounded by huge fences and some watchtowers.
The concentration camp in Bretstein was an external facility of the Mauthausen camp situated in Upper Austria, which managed over 50 other camps. In Bretstein, at least 170 prisoners were confined within four barracks, surrounded by substantial fences and some watchtowers.