Stands at the eastern end of the Place D'Armes in Luxembourg City, and was built in 1906. It was originally an administrative building, and has housed the European Court of Justice during the 1950s and 60s. It is now mainly festival halls used for conventions, celebrations and cultural events.
A plaque on the palace records the liberation of Luxembourg during the Second World War. It reads:

"On this square, on 10 September 1944 the people of Luxembourg warmly welcomed its liberators, the valiant soldiers of the US 5th Armored Division and their royal highnesses Prince Felix of Luxembourg and Prince John hereditary grand duke of Luxembourg."