abens aggsbach aiorman river aist river albania austria baronul river begena river belgrade berza river berzasca river black forest black sea bosnia and herzegovina bratislava breg river brigach budapest bujoru bulgaria calachioi river calafat canaraua fetei river canlia river celei river chichirgeaua river ciuceavca river cozla river croatia czech republic danube danube delta deggendorf donaueschingen donaustauf drava drincea river drobeta-turnu severin enns river erlau esztergom europe gaissa river geography of austria geography of bulgaria geography of croatia geography of germany geography of hungary geography of moldova geography of romania geography of serbia geography of slovakia geography of ukraine germany gigen giurgiu great morava greci river gusen river hofkirchen hron hungary ibar river iller ilz ingolstadt inn river isar iskar italy jijila river jiu river kelheim kostolac kozloduy krems lake balaton lech river leitha lepence linz list of crossings of the danube river liuborajdia river liubotina river livadica river lom river mala river marxheim mauthausen mlava moldova montenegro morava river mraconia river naab novi sad ogosta olt river oltul mic river oryahovo osam osijek otterbach paar paolina river passau pleven province poland prva river regen river regensburg republic of macedonia river romania rousse rusenski lom saraoschi river sava river schwarze laber schwarzholz serbia silistra siret river sirina river slovakia slovenia smederevo spitz straubing suhodolu river sulina sulzbach suva river svishtov switzerland szob timok river tisza titel traisen river traun river tulcea ukraine ulm urluia river ursa river varad river vedea river vederoasa river vidin vienna vit vohburg vuka vukovar wilhering winzer yantra river ybbs ybbs an der donau zala river zascoc river