Hauts-de-Seine is a department of France situated in the western inner suburbs of Paris, within the Île-de-France region. It wraps around the western edge of the French capital, sharing borders with Paris itself, Val-de-Marne, Essonne, Yvelines, Val-d'Oise, and Seine-Saint-Denis. The terrain is highly urbanised, shaped by its immediate proximity to the capital and the winding path of the River Seine.
This department is a particularly expensive part of France, with property prices sitting well above the national average. The housing stock is distributed across several key communes rather than being concentrated in a single dominant city. Boulogne-Billancourt and Asnières-sur-Seine hold the largest shares of local housing, though they represent different price brackets. Boulogne-Billancourt and Puteaux are the most expensive of the major residential areas, commanding prices well above the departmental average. In contrast, Colombes offers a more affordable alternative, with prices sitting significantly below those found in the costlier communes like Issy-les-Moulineaux and Courbevoie.