Location (in red) within Paris inner and outer suburbs
|Intercommunality||CU Grand Paris Seine et Oise|
|o Mayor (2014-2020)||Karl Olive|
|Area1||13.28 km2 (5.13 sq mi)|
|o Density||2,700/km2 (7,100/sq mi)|
|Time zone||UTC+1 (CET)|
|o Summer (DST)||UTC+2 (CEST)|
|INSEE/Postal code||78498 /78300|
17-171 m (56-561 ft) |
(avg. 27 m or 89 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.2Population without double counting: residents of multiple communes (e.g., students and military personnel) only counted once.
Poissy (French pronunciation: [pwasi]) 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, 23.8 km (14.8 mi) from the centre of Paris.
In 1561 it was the site of a fruitless Catholic-Huguenot conference, the Colloquy of Poissy. It is known for hosting successively the Automobiles Gregoire, Matford, Ford SAF, Simca, Chrysler, Talbot factories, and now hosts one of France's largest Peugeot factories. Inhabitants are called Pisciacais.
The "Simca Poissy engine" was made here.
Le 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 PSA Peugeot Citroën factory, 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.
Public secondary schools:
Private elementary schools:
Poissy is twinned with: