Grand Paris Seine et Oise

Grand Paris Seine et Oise
Location within the Yvelines department
Location within the Yvelines department
CountryFrance
RegionÎle-de-France
DepartmentYvelines
No. of communes73
Established2016
SeatAubergenville
Area
504.7 km2 (194.9 sq mi)
Population
 (2018)
417,556
 • Density827/km2 (2,140/sq mi)
Websitegpseo.fr

The Communauté urbaine Grand Paris Seine et Oise is the communauté urbaine, an intercommunal structure, covering the western suburbs of Paris. It is located in the Yvelines department, in the Île-de-France region, northern France. It was created in January 2016 by the merger of the previous communautés d'agglomération Mantes-en-Yvelines, Deux Rives de la Seine, Poissy-Achères-Conflans-Sainte-Honorine, Seine & Vexin and the communautés de communes Coteaux du Vexin and Seine-Mauldre.[1] Its area is 504.7 km2. Its population was 417,556 in 2018.[2] Its seat is in Aubergenville.[3]

  1. ^ Arrêté préfectoral Archived 2018-12-15 at the Wayback Machine, 28 December 2015, p 65-83
  2. ^ Comparateur de territoire, INSEE. 5 April 2022.
  3. ^ CU Grand Paris Seine et Oise (N° SIREN : 200059889), BANATIC. Accessed 4 November 2024.