Guyancourt

Guyancourt
The Church of Saint-Victor in Guyancourt
Location (in red) within Paris inner and outer suburbs
Location of Guyancourt
Guyancourt
Guyancourt
Coordinates: 48°46′17″N 2°04′26″E / 48.7714°N 2.0739°E / 48.7714; 2.0739
CountryFrance
RegionÎle-de-France
DepartmentYvelines
ArrondissementVersailles
CantonMontigny-le-Bretonneux
IntercommunalitySaint-Quentin-en-Yvelines
Government
  Mayor (20202026) François Morton
Area
1
13.0 km2 (5.0 sq mi)
Population
 (2022)
29,758
  Density2,300/km2 (5,900/sq mi)
Time zoneUTC+01:00 (CET)
  Summer (DST)UTC+02:00 (CEST)
INSEE/Postal code
78297 /78280
Elevation138 m (453 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Guyancourt (French: [ɡɥi.jɑ̃.kuʁ] ) 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.