Vuka is a river in eastern Croatia

Croatia

Croatia , officially the Republic of Croatia , is a unitary democratic parliamentary republic in Europe at the crossroads of the Mitteleuropa, the Balkans, and the Mediterranean. Its capital and largest city is Zagreb. The country is divided into 20 counties and the city of Zagreb. Croatia covers ...

, a right tributary of the Danube

Danube

The Danube is a river in the Central Europe and the Europe's second longest river after the Volga. It is classified as an international waterway....

 river. At 112 kilometres (69.6 mi) it is the 11th longest river in Croatia and it has a drainage area of 644 square kilometres (248.6 sq mi). The river is located in Vukovar-Syrmia County

Vukovar-Syrmia County

Vukovar-Syrmia county is the easternmost Croatian county. It includes the eastern parts of Slavonia and western parts of Syrmia regions; but also the lower Sava river basin ....

, in Slavonia

Slavonia

Slavonia is a geographical and historical region in eastern Croatia...

 region. It empties into the Danube at the town of Vukovar

Vukovar

Vukovar is a city in eastern Croatia, and the biggest river port in Croatia located at the confluence of the Vuka river and the Danube. Vukovar is the center of the Vukovar-Syrmia County...

, which got its name from the river.