Graz Opera Graz Opera Graz Opera (German: Oper Graz) is an Austria opera house and opera company based in Graz. The orchestra of the opera house also performs concerts as the Graz Philharmonic Orchestra ("Grazer Philharmonisches Orchester"). Opera had been performed in Graz since the 17th century, originally in a converted coach house on the Habsburg royal estates. The National Theatre (Schauspielhaus Graz), constructed in 1776, saw many early performances of Mozart's operas, although today (after many reconstructions) it is devoted to the performances of plays. The city's first dedicated opera house and the immediate predecessor of the Graz Opera was the
Trams in Graz was introduced in 1999 by the fitting of new low-floor centre sections to 12 existing trams. In 2007, Graz ordered 45 Stadler Variobahn trams for delivery between 2009 and 2015. These vehicles proved controversial, with complaints over noise and vibration levels. Initially confined to the north-south axis lines 4 and 5, the trams started operating on the east-west axis in 2013, after modifications and imposition of a speed limit. In 2012, new tram tunnels were built to serve the city's main railway station (Graz Hauptbahnhof), which was previously the terminus of two tram lines and some distance from the main