Cergy-Pontoise

Cergy-Pontoise
Location within the Val-d'Oise department
Location within the Val-d'Oise department
CountryFrance
RegionÎle-de-France
DepartmentVal-d'Oise, Yvelines
No. of communes13
Established2004
SeatCergy
Area
84.2 km2 (32.5 sq mi)
Population
 (2017)
206,654
 • Density2,454/km2 (6,360/sq mi)
Websitewww.cergypontoise.fr

Cergy-Pontoise (French pronunciation: [sɛʁʒi pɔ̃twɑz]) is a new town and an agglomeration community in France, in the Val-d'Oise and Yvelines departments, northwest of Paris on the river Oise. It owes its name to two of the communes that it covers, Cergy and Pontoise. Its population is 206,654 (2017), in an area of 84.2 km2.[1] Created in the 1970s, it became an agglomeration community in 2004.