Contents of https://en.wikipedia.org/wiki/Gif-sur-Yvette:
| Gif-sur-Yvette | |
| --- | --- |
| [Commune](/wiki/Communes_of_France "Communes of France") | |
| [Gif-sur-Yvette Town Hall](/wiki/File:Fa%C3%A7ade_du_ch%C3%A2teau_de_l%27Hermitage_(c%C3%B4t%C3%A9_parc).jpg "Gif-sur-Yvette Town Hall") Gif-sur-Yvette Town Hall | |
| [Coat of arms of Gif-sur-Yvette](/wiki/File:Blason_ville_fr_Gif-sur-Yvette_(Essonne).svg "Coat of arms of Gif-sur-Yvette")  Coat of arms | |
| Location of Gif-sur-Yvette  Map | |
| [Gif-sur-Yvette is located in France](/wiki/File:France_location_map-Regions_and_departements-2016.svg "Gif-sur-Yvette is located in France")  Gif-sur-Yvette  Gif-sur-Yvette  [Gif-sur-Yvette is located in Île-de-France (region)](/wiki/File:Ile-de-France_region_location_map.svg "Gif-sur-Yvette is located in Île-de-France (region)")  Gif-sur-Yvette  Gif-sur-Yvette | |
| Coordinates: [48°42′06″N 2°08′02″E / 48.7018°N 2.1339°E](https://geohack.toolforge.org/geohack.php?pagename=Gif-sur-Yvette&params=48.7018_N_2.1339_E_type:city(22578)_region:FR-IDF) | |
| Country | [France](/wiki/France "France") |
| [Region](/wiki/Regions_of_France "Regions of France") | [Île-de-France](/wiki/%C3%8Ele-de-France "Île-de-France") |
| [Department](/wiki/Departments_of_France "Departments of France") | [Essonne](/wiki/Essonne "Essonne") |
| [Arrondissement](/wiki/Arrondissements_of_France "Arrondissements of France") | [Palaiseau](/wiki/Arrondissement_of_Palaiseau "Arrondissement of Palaiseau") |
| [Canton](/wiki/Cantons_of_France "Cantons of France") | [Gif-sur-Yvette](/wiki/Canton_of_Gif-sur-Yvette "Canton of Gif-sur-Yvette") |
| [Intercommunality](about:/wiki/Communes_of_France#Intercommunality "Communes of France") | [CA Paris-Saclay](/wiki/Communaut%C3%A9_d%27agglom%C3%A9ration_Paris-Saclay "Communauté d'agglomération Paris-Saclay") |
| Government | |
| • Mayor (2023–2026) | Yann Cauchetier[[1]](#cite_note-1) |
| Area  **1** | 11.60 km2 (4.48 sq mi) |
| Population  (2022)[[2]](#cite_note-popref2022-2) | 22,578 |
| • Density | 1,900/km2 (5,000/sq mi) |
| [Demonym](/wiki/Demonym "Demonym") | Giffois |
| [Time zone](/wiki/Time_zone "Time zone") | [UTC+01:00](/wiki/UTC%2B01:00 "UTC+01:00") ([CET](/wiki/Central_European_Time "Central European Time")) |
| • Summer ([DST](/wiki/Daylight_saving_time "Daylight saving time")) | [UTC+02:00](/wiki/UTC%2B02:00 "UTC+02:00") ([CEST](/wiki/Central_European_Summer_Time "Central European Summer Time")) |
| [INSEE](/wiki/INSEE_code "INSEE code")/Postal code | [91272](https://www.insee.fr/fr/statistiques/1405599?geo=COM-91272) /91190 |
| Elevation | 57–172 m (187–564 ft)  (avg. 61 m or 200 ft) |
| Website | [www.ville-gif.fr](https://www.ville-gif.fr/) |
| **1** French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |

**Gif-sur-Yvette** (French pronunciation: [[ʒif syʁ ivɛt]](/wiki/Help:IPA/French "Help:IPA/French") [ⓘ](/wiki/File:Fr-Paris--Gif-sur-Yvette.ogg "File:Fr-Paris--Gif-sur-Yvette.ogg"), lit. "Gif-on-[Yvette](/wiki/Yvette_(river) "Yvette (river)")") is a [commune](/wiki/Communes_of_France "Communes of France") in southwestern [Île-de-France](/wiki/%C3%8Ele-de-France "Île-de-France"), France. It is located in the [Vallée de Chevreuse](/wiki/Vall%C3%A9e_de_Chevreuse "Vallée de Chevreuse"), 22.9 km (14.2 mi) from the [centre of Paris](/wiki/Kilometre_zero "Kilometre zero") (at [Notre-Dame](/wiki/Notre-Dame_de_Paris "Notre-Dame de Paris")), in the [Essonne](/wiki/Essonne "Essonne") [department](/wiki/Departments_of_France "Departments of France") on the departmental border with [Yvelines](/wiki/Yvelines "Yvelines"). In 2021, it had a population of 22,352.

The town is crossed by and named after the river [Yvette](/wiki/Yvette_(river) "Yvette (river)").
The total area is 11.60 km2 (4.48 sq mi) and 4.07 km2 (1.57 sq mi) is green spaces and woods.

The commune of Gif-sur-Yvette is composed of three main parts:

* In the valley: Rougemonts, Mérantaise, Mairie, Féverie, Coupières, Damiette, Courcelle, L'Abbaye, Les Coudraies;
* On the Moulon Plateau: Moulon (uninhabited, aside from a research and educational institute);
* On the Hurepoix Plateau: Hacquinière, Belleville and Chevry.

The commune includes a number of woods such as the Hacquinière wood and the D'Aigrefoin wood.

### Neighbouring communes

[[edit](/w/index.php?title=Gif-sur-Yvette&action=edit&section=3 "Edit section: Neighbouring communes")]

The neighbouring communes are [Villiers-le-Bâcle](/wiki/Villiers-le-B%C3%A2cle "Villiers-le-Bâcle"), [Saint-Aubin](/wiki/Saint-Aubin,_Essonne "Saint-Aubin, Essonne"), [Saclay](/wiki/Saclay "Saclay"), [Orsay](/wiki/Orsay "Orsay"), [Bures-sur-Yvette](/wiki/Bures-sur-Yvette "Bures-sur-Yvette"), [Gometz-le-Châtel](/wiki/Gometz-le-Ch%C3%A2tel "Gometz-le-Châtel"), [Gometz-la-Ville](/wiki/Gometz-la-Ville "Gometz-la-Ville") and [Saint-Rémy-lès-Chevreuse](/wiki/Saint-R%C3%A9my-l%C3%A8s-Chevreuse "Saint-Rémy-lès-Chevreuse").

Human presence on the Moulon Plateau originates in [Neolithic](/wiki/

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Contents of https://en.wikipedia.org/wiki/Gif-sur-Yvette:
Neolithic "Neolithic") times. Agriculture was developed, notably during the [Roman](/wiki/Roman_Empire "Roman Empire") era. Between the 12th and the 18th century, an important Benedictine abbey was housed in Gif. In the 19th century, amid the [Industrial Revolution](/wiki/Industrial_Revolution "Industrial Revolution"), Gif remained largely agricultural, with operating mills in particular.

[![](//upload.wikimedia.org/wikipedia/commons/thumb/a/af/Ch%C3%A2teau_de_Button%2C_Gif-sur-Yvette%2C_France.jpg/250px-Ch%C3%A2teau_de_Button%2C_Gif-sur-Yvette%2C_France.jpg)](/wiki/File:Ch%C3%A2teau_de_Button,_Gif-sur-Yvette,_France.jpg)

Château de Button

In the 1770s, the Château de Button by architect Pierre Desmaisons was completed in Gif. In 1946, the [French National Centre for Scientific Research](/wiki/French_National_Centre_for_Scientific_Research "French National Centre for Scientific Research") (CNRS) installed an office and research facility on the property.[[3]](#cite_note-3)

In 1867, the town was linked to Paris by train with the [Ligne de Sceaux](/wiki/Ligne_de_Sceaux "Ligne de Sceaux") in the valley, which would later become the southern branch of the current-day [RER B](/wiki/RER_B "RER B") line.

[![](//upload.wikimedia.org/wikipedia/commons/thumb/0/07/Gif-sur-yvette-place-eglise.jpg/250px-Gif-sur-yvette-place-eglise.jpg)](/wiki/File:Gif-sur-yvette-place-eglise.jpg)

Église Saint-Rémi in Gif-sur-Yvette

Following the [First World War](/wiki/World_War_I "World War I"), the Gif commune experienced an important demographic change, with an increasing population. The town took the name of Gif-sur-Yvette in 1930.

Just after the [Second World War](/wiki/World_War_II "World War II"), Gif-sur-Yvette acquired an international scientific reputation, with the CNRS and [Atomic Energy Commission](/wiki/French_Alternative_Energies_and_Atomic_Energy_Commission "French Alternative Energies and Atomic Energy Commission") (CEA) moving there. The CEA discovered [radioactive contamination](/wiki/Radioactive_contamination "Radioactive contamination") in a private home in Gif-sur-Yvette in 1974; the home had been built upon a site where needles containing [radon](/wiki/Radon "Radon") gas were once manufactured,[[4]](#cite_note-4) starting in 1915. The needles were used to sterilise infected tissue—an idea developed by [Marie Curie](/wiki/Marie_Curie "Marie Curie").

The town was extended in 1975, with the creation of the Chevry neighbourhood, from areas ceded by the [Gometz-la-Ville](/wiki/Gometz-la-Ville "Gometz-la-Ville") and [Gometz-le-Châtel](/wiki/Gometz-le-Ch%C3%A2tel "Gometz-le-Châtel") communes.

The Église Saint-Rémi (Saint Rémi church), a structure of [Romanesque](/wiki/Romanesque_architecture "Romanesque architecture") and [Gothic architecture](/wiki/Gothic_architecture "Gothic architecture"), was built in the 12th century. It was registered as a [historic monument](/wiki/Monument_historique "Monument historique") in 1938.[[5]](#cite_note-5)

Some ruins remain of a [Benedictine](/wiki/Benedictines "Benedictines") [abbey](/wiki/Abbey "Abbey") which was built in the 12th century and became a national property in 1789 amid the [French Revolution](/wiki/French_Revolution "French Revolution"). It was officially registered in 1963.[*[citation needed](/wiki/Wikipedia:Citation_needed "Wikipedia:Citation needed")*]

Inhabitants of Gif-sur-Yvette are known as *Giffois* (masculine) and *Giffoises* (feminine) in French.

Historical population

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| | Year | Pop. | ±% p.a. | | --- | --- | --- | | 1793 | 815 | — | | 1800 | 810 | −0.09% | | 1806 | 800 | −0.21% | | 1821 | 738 | −0.54% | | 1831 | 733 | −0.07% | | 1836 | 712 | −0.58% | | 1841 | 717 | +0.14% | | 1846 | 818 | +2.67% | | 1851 | 815 | −0.07% | | 1856 | 790 | −0.62% | | 1861 | 769 | −0.54% | | 1866 | 753 | −0.42% | | 1872 | 691 | −1.42% | | 1876 | 732 | +1.45% | | 1881 | 702 | −0.83% | | 1886 | 849 | +3.88% | | 1891 | 734 | −2.87% | | 1896 | 77

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