Leoben (German pronunciation: [leˈoːbn̩]) is a Styrian city in central Austria, located by the Mur river. With a population of about 25,000 it is a local industrial center and hosts the University of Leoben which specialises in mining. The Peace of Leoben, an armistice between Austria and France preliminary to the Treaty of Campo Formio, was signed in Leoben in 1797.The Justice Center Leoben is a prison designed by architect Josef Hohensinn, which was completed in 2005.