SerbiaSerbia, officially the Republic of Serbia, is a sovereign state situated at the crossroads between Central and Southeast Europe, covering the southern part of the Pannonian Plain and the central Balkans.Belgradeis the capital and largest city of Serbia. It is located at the confluence of theSava and Danube rivers, where the Pannonian Plain meets the Balkans.Novi Sadis the second largest city in Serbia.The Danubeis Europe's second-longest river, after the Volga River, and also the longest river in the European Union region. It is located in Central and Eastern Europe. Originating in Germany, the Danube flows southeast for 2,860 km (1,780 mi), passing through or touching the border of Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria, Moldova and Ukraine before emptying into the Black Sea. Its drainage basin extends into nine more countries.The Savais a river in Central Europe, a right side tributary of the Danube. It flows through Slovenia, Croatia, along the northern border of Bosnia and Herzegovina, through Serbia, discharging into the Danube in Belgrade.The Ibaris a river that flows through eastern Montenegro, Serbia and Kosovo.Midzoris a peak in the Balkan Mountains, situated on the border between Serbia and Bulgaria. At 2,169 metres (7,116 ft), it is the highest peak of the Western Balkan Mountains, as well as the highest of Serbia outside Kosovo.