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
Andritz (Graz) has 13,176 employees. Andritz was a separate municipality until 1938, when it merged with the southern part of Weinitzen and joined Graz. The current district boundaries were set in 1946. Andritz (Graz) Andritz ( – "fast-flowing water") is the 12th district of Graz. It is located in the extreme north of the city. It had a population of 18,339 in 2011 and covers an area of 18.47 square kilometres. The postal codes of Andritz are 8010, 8042-8046 and 8054. The name Andritz was first mentioned in 1265. Andritz's most important industry, the technology company Andritz AG, was established by Josef