what is a danube
Danube-the 2nd longest European river (after the Volga); flows from southwestern Germany to the Black Sea; Vienna, Budapest, and Belgrade are on the banks of the Danube. Danau, Danube River.Bulgaria, Republic of Bulgaria-a republic in the eastern part of the Balkan Peninsula in southeastern Europe.Czechoslovakia-a former republic in central Europe; divided into Czech Republic and Slovakia in 1993.ord History: Across Europe, from Russia to England, there are rivers with names beginning with a d and also containing an n: the Don, the Dnieper, and the Dniester of Russia and Ukraine, the Danube of central Europe, and the six rivers called Don in Britain.