Question: on the banks of which are the capital cities of austria serbia and hungary located
Answer: Danube River The Danube in Vienna Countries Germany , Austria , Slovakia , Hungary , Croatia , Serbia , Bulgaria , Romania , Moldova , Ukraine Cities Ulm , Ingolstadt , Regensburg , Linz , Vienna , Bratislava , Győr , Budapest , Dunaújváros , Vukovar , Novi Sad , Zemun , Belgrade , Pančevo , Smederevo , Drobeta Turnu - Severin Primary source Breg - location Martinskapelle , Black Forest , Germany - elevation 1,078 m ( 3,537 ft ) - length 46 km ( 29 mi ) - coordinates 48 ° 05 ′ 44 '' N 08 ° 09 ′ 18 '' E ﻿ / ﻿ 48.