Levallois-Perret is a commune located in the Hauts-de-Seine department within the Île-de-France region of north-central France. Situated on the right bank of the Seine, it lies approximately 6 km (3.7 mi) from the center of Paris in the city's north-western suburbs.
The town is notable for being the most densely populated municipality in Europe. Additionally, Levallois-Perret is recognized as one of the most expensive suburbs of Paris when considered alongside its neighbor, Neuilly-sur-Seine.