The great Danube River, once the lifeblood of empires, has been home to Europe’s greatest cities for eons. Join us on a journey spanning the four capital cities that sit along the banks of the Danube—glittering Vienna, charming Bratislava, eclectic Budapest, and storied Belgrade. As you go, you’ll contrast the hustle and bustle of city life with blissful countryside views and stops in a couple of Uniworld's favourite towns in between.