Orsay

Orsay is a commune. It is in Île-de-France in the Essonne department in north France. It is the home to the Paris-Saclay University.

Orsay
Commune
The town hall in Orsay
Coat of arms
Location of Orsay
Orsay Show map of France Orsay Show map of Île-de-France (region)
Coordinates: 48°41′57″N 2°11′15″E
Country	France
Region	Île-de-France
Department	Essonne
Arrondissement	Palaiseau
Canton	Palaiseau
Intercommunality	Paris-Saclay
Government
• Mayor (2020–2026)	David Ros
Area 1	7.97 km2 (3.08 sq mi)
Population  (Jan. 2019)[1]	15,503
• Density	1,900/km2 (5,000/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	91471 /91400
Elevation	51–160 m (167–525 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.