In the Austria's capital city and the surrounding area (then Gau Groß-Wien/Greater Vienna District) several sub-camps of the Mauthausen concentration camp were built. The large sub-camps to the south of the city were built in the industrial areas, many of which are now part of the state of Lower Austria. In the current boundaries of Vienna the sub-camps of Saurerwerke in Simmering, Floridsdorf and Jedlesee could be found, as well as a small sub-camp in Schloss Schönbrunn.

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