Dassault Systèmes headquarters are in the south-western suburbs of Paris in Vélizy-Villacoublay.
Gif-sur-Yvette is a commune in France in the south-western suburbs of Paris.
Montigny-le-Bretonneux is a commune in the Île-de-France region in the Yvelines department.
Vélizy-Villacoublay is a commune, a very urbanized town, the Meudon forest, Chaville-Vélizy station in the Île-de-France in the Yvelines department.
Guyancourt is a commune, Saint-Quentin-en-Yvelines station in the Île-de-France region in the Yvelines department.