Answer: danube

AnswerCrossword Clue
DANUBEView from Budapest
DANUBERiver into the Black Sea.
DANUBERiver of Europe.
DANUBEEur. river
DANUBEStrauss waltz area
DANUBEStrauss's river
DANUBEInspiration for a Strauss
DANUBEStrauss's "The Blue ..."
DANUBEWaltzer's river
DANUBEIt rises in the Black Forest
DANUBEBratislava's river
DANUBEInn's end
DANUBEDonau, Duna, Dunaj, etc.
DANUBEInspiration for Johann Strauss II
DANUBEUlm's river
DANUBELinz's river
DANUBEStrauss river
DANUBEWaltz river
DANUBEEurope's second-longest river
DANUBEEuropean river
DANUBEIt's blue, in song
DANUBEIt's said to be blue
DANUBEStrauss waltz river
DANUBERiver in a Strauss title
DANUBERiver through four world capitals
DANUBEBlack Sea feeder
DANUBERiver to the Black Sea
DANUBEStrauss inspiration
DANUBEBelgrade's river
DANUBEVienna's river
DANUBEStrauss's blue subject
DANUBERiver in a Strauss waltz
DANUBERiver that begins in the Black Forest
DANUBEOrsova's river
DANUBEBudapest's river
DANUBEStrauss subject
DANUBEBlue water?
DANUBEIt flows through four capitals
DANUBE"Internationalized" European river.
DANUBEBalkan river.