| Poissy | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Poissy01.svg |
| Map Size: | 270px |
| Adjustable Map: | Poissy_map.png |
| Map Caption: | Location (in red) within Paris inner and outer suburbs |
| Coordinates: | 48.9294°N 2.0456°W |
| Arrondissement: | Saint-Germain-en-Laye |
| Canton: | Poissy |
| Insee: | 78498 |
| Postal Code: | 78300 |
| Mayor: | Sandrine Berno Dos Santos[1] |
| Term: | 2022 - 2026 |
| Intercommunality: | CU Grand Paris Seine et Oise |
| Elevation M: | 27 |
| Elevation Min M: | 17 |
| Elevation Max M: | 171 |
| Area Km2: | 13.28 |
| Demonym: | Pisciacais (masculine) Pisciacaise (feminine) |
Poissy (in French pwasi/) is a commune in the Yvelines department in the Île-de-France region in north-central France. It is located in the western suburbs of Paris, 23.8km (14.8miles) from the centre of Paris. Inhabitants are called Pisciacais in French.
Poissy is one of the oldest royal cities of Île-de-France, birthplace of Louis IX of France and Philip III of France, before being supplanted from the 15th century by Saint-Germain-en-Laye. In 1561, it was the site of a fruitless Catholic–Huguenot conference, the Colloquy of Poissy.
The area is known for hosting the Automobiles Gregoire successively, Matford, Ford SAF, Simca, Chrysler, Talbot factories and now hosts one of France's largest Peugeot factories. The "Simca Poissy engine" was made there.
Poissy is the 165th most populated city in Metropolitan France.
Poissy is located about 30 kilometres west of Paris, in the north-eastern part of the Yvelines, 8 kilometres west of Saint-Germain-en-Laye, and 23 kilometres north-west of Versailles, the departmental prefecture.
The city is limited to the east by the forest of Saint-Germain-en-Laye and to the west by the Seine.
Poissy is served by Poissy station on Paris RER line A and on the Transilien Paris-Saint-Lazare suburban rail line.
Technoparc is a Business Park created in 1990, with the intention to facilitate the economic diversification of the city. It occupies about 66 acres on the northeast of Stellantis plant, bordering the neighbouring commune Achères. The Park welcomes 150 companies employing a total of 2,000 employees. It also hosts The Charles-de-Gaulle High School and The Training Centre for the Employees in Pharmacy (ACPPAV) gathering 1,500 high school students and students. Two business incubator, a heliport, the Chamber of Commerce of Yvelines-Val d'Oise, two hotels, a sports centre and a municipal technical centre are also located there.
Poissy has ten public preschools, ten public elementary schools, two junior high schools, two senior high schools, a combined junior-senior high school, along with a private preschool and elementary school.[4]
Public secondary schools:
Private elementary schools:
See main article: List of twin towns and sister cities in France.
Poissy is twinned with: