Guyancourt
Commune in France
Guyancourt 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 from the center of Paris, in the "new town" of Saint-Quentin-en-Yvelines. Wikipedia
Population: 27,801 (2015)
Mayor: François Morton
Area1: 13.0 km2 (5.0 sq mi)
Arrondissement: Versailles
Department: Yvelines
Region: Île-de-France