Day one of Grand Duke Henri and Grand Duchess Maria-Teresa's official state visit to Austria saw the couple take in a number of cultural sights and important meetings.
The trip, which is aimed at strengthening relations between the two countries, began with a military welcome at Vienna airport.
From there the Grand Ducal couple were taken to Hofburg palace where they met with Austrian Federal President Heinz Fischer.
Afterwards they toured the Imperial treasury before heading for a concert. Tuesday's agenda will see the couple attend Austria-Luxembourg Economic Forum meetings.