Salzburg is a city located in the north-western part of Austria, it lies on the river Salzach. It can boast the historic old town, which was inscribed on the UNESCO World Heritage List in 1996. The religious buildings, including the Cathedral of St. Rupert and Monastery of St. Peter, as well as those associated with the composer Wolfgang Amadeus Mozart are the most important historic monuments of Salzburg. The Hohensalzburg fortress, which sits atop the Festungsberg Hill, towers over the city. Salzburg is frequently visited by tourists and enthusiasts of winter sports.