The Blue Danube (German: An der schönen blauen Donau) is a 1955 Austrian romantic comedy film directed by Hans Schweikart and starring Hardy Krüger, Nicole Besnard and Paul Hörbiger.

[1] It was shot at the Schönbrunn Studios in Vienna and on location around the city.

The film's sets were designed by the art director Fritz Jüptner-Jonstorff.

A young king and a princess are engaged to be married but have never met.

Both are reluctant to take part in an arranged marriage but they meet in Vienna and fall in love.