Val-d'Oise

Val-d'Oise
Château d'Écouen
Flag of Val-d'Oise
Coat of arms of Val-d'Oise
Location of Val-d'Oise in France
Location of Val-d'Oise in France
Coordinates: 49°3′43″N 2°5′10″E / 49.06194°N 2.08611°E / 49.06194; 2.08611
CountryFrance
RegionÎle-de-France
PrefecturePontoise (official)
Cergy (disputed)
Subprefectures
Government
 • President of the Departmental CouncilMarie-Christine Cavecchi[1]
Area
 • Total
1,246 km2 (481 sq mi)
Population
 (2021)[2]
 • Total
1,256,607
 • Rank17th
 • Density1,000/km2 (2,600/sq mi)
GDP
 • Total€38.861 billion (2021)
 • Per capita€30,925 (2021)
Time zoneUTC+1 (CET)
 • Summer (DST)UTC+2 (CEST)
ISO 3166 codeFR-95
Department number95
Arrondissements3
Cantons21
Communes184
^1 French Land Register data, which exclude estuaries and lakes, ponds and glaciers larger than 1 km2

Val-d'Oise (French: [val dwaz] , "Vale of the Oise") is a department in the Île-de-France region, Northern France. It was created in 1968 following the split of the Seine-et-Oise department. In 2019, Val-d'Oise had a population of 1,249,674.[4]

It is named after the river Oise, a major tributary of the Seine, which crosses the region after having started in Belgium and flowed through Northeastern France. Val-d'Oise is Île-de-France's northernmost department. Charles de Gaulle Airport, France's main international airport, is partially located in Roissy-en-France, a commune of Val-d'Oise.

Its INSEE and postcode number is 95.

  1. ^ "Répertoire national des élus: les conseillers départementaux". data.gouv.fr, Plateforme ouverte des données publiques françaises (in French). 4 May 2022.
  2. ^ "Téléchargement du fichier d'ensemble des populations légales en 2021" (in French). The National Institute of Statistics and Economic Studies. 28 December 2023.
  3. ^ "Gross domestic product (GDP) at current market prices by NUTS 3 regions". ec.europa.eu.
  4. ^ Populations légales 2019: 95 Val-d'Oise, INSEE