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
Schlossbergbahn (Graz) a design modeled on the San Salvatore funicular in Lugano, Switzerland. At around the same time, the line was transferred from private ownership to the ownership of the city of Graz. In 1960/1961, the line was modernised and both stations were completely rebuilt. The cars were replaced, with the original cars going to the Graz Tramway Museum and the Vienna Technical Museum. In 2000, the Schlossberg lift was constructed to provide an alternative route between city and summit in time for the city's spell as Cultural Capital of Europe in 2003. In 2004, the Schlossbergbahn was again modernised, with both