Belgrade lies at the confluence of the Sava and Danube Rivers in north central Serbia, where the Pannonian Plain meets the Balkan Peninsula. Belgrade offers a rather sophisticated night life. Many clubs and discotheques can be found throughout the city that are open until dawn. The most recognizable nightlife feature of Belgrade is the barges (called "splavs") that are spread along the banks of the Sava and Danube Rivers. There are around a thousand sports facilities in Belgrade, many of which are capable of serving all levels of sporting events. Belgrade was a host of many great sport events in its history. The historic areas and buildings of Belgrade are among the city's premier attractions. They include Skadarlija, the National Museum and adjacent National Theatre, Zemun, Nikola Pašić Square, Terazije, Students' Square, the Kalemegdan Fortress, Prince Michael Street, the Federal Parliament, the Temple of Saint Sava, and the Old Palace. On top of this, there are many parks, monuments, cafes, restaurants and shops; both sides of the river Sava, not to mention views of the city from the Avala Monument, on a hilltop overlooking the city