Graz-Karlau Prison serial killer Wolfgang Ott; and the terrorist Tawfik Ben Chaovali, who was involved in the Rome and Vienna airport attacks. Graz-Karlau Prison Graz-Karlau Prison () is located in Gries, the 5th district of the city of Graz, capital of the Austrian state of Styria. With a capacity of 552 inmates, Graz-Karlau is the third largest prison in Austria. Built between 1584 and 1590 in late Renaissance style to designs by Antonio Tade and Antonio Marmoro, it was used as a summer hunting residence for Archduke Karl II of Austria. Originally, it was called "Dobel Castle". The German word "Dobel" is
Trams in Graz former light railway section of line 1, all of the system is street based, with varying degrees of segregation. As the trams are single-ended, with doors on only one side, all terminal locations are equipped with turning loops, and all tram stops are to the nearside of the tram. , the Graz tramway network's fleet was: The Graz tramway network is entirely within zone 101 of the Verbund Linie, an integrated tariff for public transport throughout Styria. Zone 101 tickets are valid on all trams, and all city buses with single or double digit route numbers. They are also valid