The city of Luxembourg, also known as Luxembourg City, is a commune with city status, and the 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.

Adolphe Bridge is an arch bridge in Luxembourg City, in southern Luxembourg. The bridge takes road traffic across the Pétrusse, connecting Boulevard Royal, in Ville Haute, to Avenue de la Liberté, in Gare. At 17.2 m wide, it carries four lanes of road traffic, three to Gare and a bus lane to Ville Haute, and has two footpaths for pedestrians.

Vianden Castle, located in Vianden in the north of Luxembourg, is one of the largest fortified castles west of the Rhine. With origins dating from the 10th century, the castle was built in the Romanesque style from the 11th to 14th centuries. Gothic transformations and trimmings were added at the end of this period. A Renaissance mansion was added in the 17th century but thereafter the castle was allowed to fall into ruin. It has, however, recently been fully restored and is open to visitors.

The Luxembourg City History Museum, French: Musée d'histoire de la Ville de Luxembourg, illustrates the thousand-year history of the City of Luxembourg with both permanent and temporary exhibits. Founded on 22 June 1996, it was designed by Luxembourg architect Conny Lentz and Repérages, Paris.

The Grand Duke Jean Museum of Modern Art (French: Musée d'art moderne Grand-Duc Jean), abbreviated to Mudam, is a museum of modern art in Luxembourg City, in southern Luxembourg. The museum stands on the site of the old Fort Thüngen, in the Kirchberg quarter, in the north-east of the city.