Muso

Niš, city in southeastern Serbia, on the Nišava River. The city is important for its command of the Morava–Vardar and Nišava river corridors, the two principal routes from central Europe to the Aegean. The main rail line from Belgrade and the north divides at Niš for Thessaloníki, Greece, and Sofia, Bulgaria. Niš is also the meeting point for several roads.