Vuka is a river in eastern Croatia, a right tributary of the Danube river. At 112 kilometres (70 mi), it is the 13th longest river flowing through Croatia and it has a drainage area of 644 square kilometres (249 sq mi). The river is located in Vukovar-Srijem County, in the Slavonia region. It empties into the Danube at the town of Vukovar, which got its name from the river.
- Ostroški, Ljiljana, ed. (December 2015). Statistički ljetopis Republike Hrvatske 2015 [Statistical Yearbook of the Republic of Croatia 2015] (PDF). Statistical Yearbook of the Republic of Croatia (in Croatian and English). 47. Zagreb: Croatian Bureau of Statistics. p. 49. ISSN 1333-3305. Retrieved 27 December 2015.