Mürzzuschlag is a town in northeastern Styria, Austria, the capital of the Mürzzuschlag District. It is located on the Mürz river near the Semmering Pass, the border with the state of Lower Austria, about 85 km (53 mi) southwest of Vienna. The population is 8,745 (2011). Originally an industrial area, the nearby mountains are today a popular ski resort.