Saclay

Featured view

Saclay

Total population

4,323

Air quality index

27Good

Elevation108 m

Land area13.65 km²

Coordinates48.73°, 2.17°

Demographic figures from INSEE. Overview below cites Wikipedia and may reference a different year.

City facts

Facts from Wikidata (CC0).

Overview

Saclay is a commune in the southwestern suburbs of Paris, France. It is located 18.7 km (11.6 mi) from the centre of Paris. It is best known for the large scientific facility CEA Saclay, mostly dealing with nuclear and particle physics.

Geography

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Air quality

Current readings from Open-Meteo Air Quality API (Copernicus CAMS European reanalysis).

Wildlife & biodiversity

Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).

Earthquake history

Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).

Notable people from here

Marie Louise Élisabeth d'Orléans

French princess (1695-1719)

Louis Philippe I, Duke of Orléans

French royal (1725–1785)

Marie Victoire de Noailles

Countess of Toulouse (1688–1766)

Alexandre Francois Auguste de Grasse

French noble (1765-1845)

Henriette of France

French princess (1727-1752)

Louis Armand II, Prince of Conti

Prince of Conti from 1709 to 1727

Louis, Dauphin of France

French Dauphin (1729-1765)

Princess Victoire of France

French princess; the seventh child and fifth daughter of King Louis XV of France (1733-1799)

Charles-Victor Prévot, vicomte d'Arlincourt

French writer

Louise Élisabeth de Bourbon

Princess of Conti (1693–1775)

Princess Sophie of France

French princess (1786-1787); daughter of Louis XVI and Marie Antoinette

Louise Adélaïde d'Orléans

French abbess (1698-1743)

A

Alain Bellouis

cyclist

Louise Anne de Bourbon

French princess, the daughter of Louis III de Bourbon, Prince of Condé

Philippe, Duke of Anjou

Prince of France

Marie Zéphyrine of France

dauphin of France

People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.

Nearby places in Île-de-France

• Vauhallan
  1.5 mi away · pop. 2,066
• Villiers-le-Bâcle
  2.2 mi away · pop. 1,097
• Jouy-en-Josas
  2.4 mi away · pop. 7,928
• Igny
  2.6 mi away · pop. 10,213
• Bièvres
  2.6 mi away · pop. 4,748
• Gif-sur-Yvette
  2.6 mi away · pop. 22,352
• Les Loges-en-Josas
  2.8 mi away · pop. 1,646
• Villebon-sur-Yvette
  3.3 mi away · pop. 10,322
• Massy
  4.7 mi away · pop. 50,962
• Versailles
  5.5 mi away · pop. 83,587
• Milon-la-Chapelle
  5.6 mi away · pop. 288
• Roussigny
  6.5 mi away

Browse all places in Île-de-France →

Geography & sun

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Public attention

Pageview totals from the Wikimedia Pageviews API.

Books about Saclay

Search results from Open Library.

Recently spotted species

Carrion Crow

Corvus corone

Seen 2026-08-25

Grey Heron

Ardea cinerea

Seen 2026-08-25

Meadow Brown

Maniola jurtina

Seen 2026-08-25

Great Green Bush-cricket

Tettigonia viridissima

Seen 2026-08-25

Southern Darter

Sympetrum meridionale

Seen 2026-08-25

Sneezewort

Achillea ptarmica

Seen 2026-08-25

Long-tailed Tit

Aegithalos caudatus

Seen 2026-08-25

Bushgrass

Calamagrostis epigejos

Seen 2026-08-25

Blackthorn

Prunus spinosa

Seen 2026-08-25

Research-grade observations from iNaturalist (within ~15 mi).

Official Identifiers