Val-d'Oise /

Val-d'Oise (French pronunciation: [val dwaz]) is a French department named after the Oise River, located in the Île-de-France region. In local slang, it is known as "quatre-vingt quinze" (i.e. "ninety-five") or "neuf cinq" (i.e. "nine five"). Paris-Charles de Gaulle Airport, France's main international airport is partially located in Roissy-en-France, a commune of Val d'Oise. Val-d'Oise was created when the former departments Seine and Seine-et-Oise were broken up into six departments in 1968. In descending order, the largest communes (over 25,000 population as of the 1999 census) are: Argenteuil, Sarcelles, Cergy, Garges-lès-Gonesse, Franconville, Ermont, Pontoise, Goussainville, Bezons, Villiers-le-Bel, Taverny, and Sannois.