Vélizy-Villacoublay is a commune located in the Yvelines department within the Île-de-France region of north-central France. It is situated in the south-western suburbs of Paris, positioned approximately 13.9 km (8.6 mi) from the city center and 3.2 km (2.0 mi) east of Versailles.
The inhabitants of the commune are known as Véliziens. The area serves as a residential and suburban locality within the Parisian metropolitan region.