The city of Luxembourg is a capital of the Grand Duchy of Luxembourg. It is located at the confluence of the Alzette and Pétrusse Rivers in southern Luxembourg. The city contains the historic Luxembourg Castle, established by the Franks in the Early Middle Ages, around which a settlement developed.
Luxembourg City is the seat of several institutions of the European Union, including the European Court of Justice, the European Commission, the secretariat of the European Parliament, the European Court of Auditors and the European Investment Bank.
Places of interest include the Gothic Revival Cathedral of Notre Dame, the fortifications, the Grand Ducal Palace, the Gëlle Fra war memorial, the casemates, the Neumünster Abbey, the Place d'Armes, the Adolphe Bridge and the city hall. The city is the home of the University of Luxembourg and Radio Luxembourg.