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Saint-Germain-en-Laye

Île-de-Francetown

Photograph of Saint-Germain-en-Laye
Featured view

Saint-Germain-en-Laye

Total population

44,380

Founded

1020

Air quality index

48Good
Land area51.94 km²
Coordinates48.90°, 2.09°

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

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City facts

Founded
1020
Area
51.94 km²
Official website
www.saintgermainenlaye.fr

Sister cities

Facts from Wikidata (CC0).

Overview

Saint-Germain-en-Laye is a commune in the Yvelines department in the Île-de-France in north-central France. It is located in the western suburbs of Paris, 19.1 km (11.9 mi) from the centre of Paris.

Read more on Wikipedia

History & geography

Geography

Latitude
48.8990
Longitude
2.0943
Water area
—
View on OpenStreetMap

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

Climate

Air quality

US AQI — Good
48
PM2.5 (µg/m³)
6.3
PM10 (µg/m³)
8.9
Ozone (µg/m³)
103
NO₂ (µg/m³)
4.2

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

Walkability

Amenities nearby

Wildlife & biodiversity

Observations (last 5 yrs, 10 mi)
446,257
Distinct species (top 10)
10

Most-observed species

  • Common Wood-Pigeon
    Columba palumbus Linnaeus, 1758 · Aves
    15,309
  • Carrion Crow
    Corvus corone Linnaeus, 1758 · Aves
    14,323
  • Great Tit
    Parus major Linnaeus, 1758 · Aves
    14,054
  • Eurasian Magpie
    Pica pica (Linnaeus, 1758) · Aves
    11,957
  • Eurasian Blackbird
    Turdus merula Linnaeus, 1758 · Aves
    11,540
  • Eurasian Blue Tit
    Cyanistes caeruleus (Linnaeus, 1758) · Aves
    11,483
  • Rose-ringed Parakeet
    Psittacula krameri (Scopoli, 1769) · Aves
    11,234
  • European Robin
    Erithacus rubecula (Linnaeus, 1758) · Aves
    10,696

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

Earthquake history

Quakes ≥ 2.5 (25 yrs, 62 mi)
1
Largest magnitude
3.1
Largest event
2005-06-01

Most recent

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

Photos

Sights & places nearby

Notable people from here

Ludivine Sagnier
Ludivine Sagnier
French actress
Hilaire Belloc
Hilaire Belloc
French-English writer (1870–1953)
Alain Baraton
Alain Baraton
French gardener
N
Nicolas Gustave Hubbard
French economist (1828–1888)
A
Alain Gournac
French politician
A
Antonio Gallego
French visual artist
Cyrille Diabaté
Cyrille Diabaté
French martial artist
Georges Lemaire
Georges Lemaire
French sculptor (1853–1914)
J
Jean Bouchéty
French bassist, composer, and conductor (1920-2006)
L
Laura Blanc
French actress
L
Louis Murat
French military personnel
Michel-François d'Ailly
Michel-François d'Ailly
French politician
M
Michel Lacroix
Olympic field hockey player (1921-1974)
Mireille Havet
Mireille Havet
French writer (1898-1932)
Pierre Roussel
Pierre Roussel
French painter (1927-1996)
R
Robert Chazal
French film critique (1912–2002)

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

Nearby places in Île-de-France

Browse all places in Île-de-France →

Geography & sun

Avg solar (kWh/m²/day)
3.31
Annual solar (kWh/m²)
1,210

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

Nearby airports

Public attention

Wikipedia views (last 30 days)
10,453
Avg daily Wikipedia views
348
Attention level
Modest

Pageview totals from the Wikimedia Pageviews API.

Books about this place

Recent natural events nearby

Ground air-quality sensors

Recently spotted species

Treble Brown-spot
Treble Brown-spot
Idaea trigeminata
Seen 2026-06-10
Mallard
Mallard
Anas platyrhynchos
Seen 2026-06-10
Turkish Snail
Turkish Snail
Helix lucorum
Seen 2026-06-10
Lizard Orchid
Lizard Orchid
Himantoglossum hircinum
Seen 2026-06-10
pyramidal orchid
pyramidal orchid
Anacamptis pyramidalis
Seen 2026-06-10
European Starling
European Starling
Sturnus vulgaris
Seen 2026-06-10
Seven-spotted Lady Beetle
Seven-spotted Lady Beetle
Coccinella septempunctata
Seen 2026-06-10
Common Wood-Pigeon
Common Wood-Pigeon
Columba palumbus
Seen 2026-06-10
Dunnock
Dunnock
Prunella modularis
Seen 2026-06-10

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

Events

Gallery

Geotagged photos within ~6 miles of Saint-Germain-en-Laye, from Wikimedia Commons contributors.

Saint-Germain-en-Laye Mairie01 — Saint-Germain-en-Laye, France0 miTerrasse St Germain-en-Laye — Saint-Germain-en-Laye, France0 miCitaro "Résalys", Gare de Saint-Germain-en-Laye (2022) — Saint-Germain-en-Laye, France0 miVolvo 7900 Hybrid, Gare de Saint-Germain-en-Laye — Saint-Germain-en-Laye, France0 miVolvo 7900 Hybrid (IDFM) Gare de Saint-Germain-en-Laye (1) — Saint-Germain-en-Laye, France0 miVolvo 7900 Hybrid (IDFM) Gare de Saint-Germain-en-Laye (2) — Saint-Germain-en-Laye, France0 miBus IDFM "Pause reglementaire" — Saint-Germain-en-Laye, France0 miRER Saint-Germain-en-Laye - Bus de remplacement SNCF (1) — Saint-Germain-en-Laye, France0 miRER Saint-Germain-en-Laye - Bus de remplacement SNCF (2) — Saint-Germain-en-Laye, France0 miHôtel Ville - Saint-Germain-en-Laye (FR78) - 2024-06-08 - 1 — Saint-Germain-en-Laye, France0 miHôtel Ville - Saint-Germain-en-Laye (FR78) - 2024-06-08 - 2 — Saint-Germain-en-Laye, France0 miHôtel Ville - Saint-Germain-en-Laye (FR78) - 2024-06-08 - 3 — Saint-Germain-en-Laye, France0 miHôtel Ville - Saint-Germain-en-Laye (FR78) - 2024-06-08 - 4 — Saint-Germain-en-Laye, France0 miHôtel Ville - Saint-Germain-en-Laye (FR78) - 2024-06-08 - 5 — Saint-Germain-en-Laye, France0 miPlaque Ancien Hôtel Rochefoucauld Hôtel Ville - Saint-Germain-en-Laye (FR78) - 2024-06-08 - 1 — Saint-Germain-en-Laye, France0 miPlaque Ancien Hôtel Rochefoucauld Hôtel Ville - Saint-Germain-en-Laye (FR78) - 2024-06-08 - 2 — Saint-Germain-en-Laye, France0 miPlaque Rue Pontoise - Saint-Germain-en-Laye (FR78) - 2024-06-08 - 1 — Saint-Germain-en-Laye, France0 miRue Pontoise - Saint-Germain-en-Laye (FR78) - 2024-06-08 - 1 — Saint-Germain-en-Laye, France0 miRue Pontoise - Saint-Germain-en-Laye (FR78) - 2024-06-08 - 2 — Saint-Germain-en-Laye, France0 miRER Saint-Germain-en-Laye, bus IDFM "Fin de service" — Saint-Germain-en-Laye, France0 miHeuliez GX 337 n°231607 (IDFM CPC - Ligne 1204) - (Saint-Germain-en-Laye RER, Rue de la Surintendance) - (Saint-Germain-en-Laye, FR78) - 06-03-2025 5 — Saint-Germain-en-Laye, France0 miHeuliez GX 337 n°231607 (IDFM CPC - Ligne 1204) - (Saint-Germain-en-Laye RER, Rue de la Surintendance) - (Saint-Germain-en-Laye, FR78) - 06-03-2025 6 — Saint-Germain-en-Laye, France0 miHeuliez GX 337 n°231607 (IDFM CPC - Ligne 1204) - (Saint-Germain-en-Laye RER, Rue de la Surintendance) - (Saint-Germain-en-Laye, FR78) - 06-03-2025 8 — Saint-Germain-en-Laye, France0 miHeuliez GX 337 n°231607 (IDFM CPC - Ligne 1204) - (Saint-Germain-en-Laye RER, Rue de la Surintendance) - (Saint-Germain-en-Laye, FR78) - 06-03-2025 7 — Saint-Germain-en-Laye, France0 mi

Photos via Wikimedia Commons — see each image page for license & attribution.

Official Identifiers

INSEE — French National Institute of Statistics

INSEE code
78551
Department
78
Region
11
Population (Wikidata)
45,931

geo.api.gouv.fr

Sources

  • • Wikipedia
  • • Wikimedia Commons
  • • Wikidata
  • • Open-Meteo Air Quality (CAMS)
  • • USGS Earthquake Catalog (global feed)
  • • GBIF (Global Biodiversity Information Facility)
  • • iNaturalist
  • • Open-Meteo / sunrise-sunset.org
  • • Wikipedia Pageviews API
  • • Wikidata SPARQL (CC0) — population, area, elevation, inception, head of government, Commons image
  • • INSEE — French national statistics, via geo.api.gouv.fr (official commune code, population, surface, department, region)
  • • INSEE — French National Institute of Statistics — geo.api.gouv.fr