Guyancourt is a commune in the Yvelines department in the Île-de-Franceregion in north-central France. It is located in the south-western suburbs of Paris, 21.2 km (13.2 mi) from the center of Paris, in the “new town” of Saint-Quentin-en-Yvelines. Geography The commune of Guyancourt comprises several districts. The first of them, corresponding to the old village, is known as “le village”, the others are named: Bouviers (Herdsmen), ancient hamlet of the […]