Guyancourt (French: (listen)) is a commune in the Yvelines department in the Île-de-France region 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. 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: The bordering communes are Versailles to the northeast, Voisins-le-Bretonneux to the southwest, Montigny-le-Bretonneux to the west, Châteaufort to the southeast, Magny-les-Hameaux to the south and Saint-Cyr-l'Ecole in the northwest. More information...
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