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Vauréal (French pronunciation: [voʁeal] ) is a commune in the northwestern suburbs of Paris, France. It is located 30.6 km (19.0 mi) from the center of Paris, in the "new town" of Cergy-Pontoise, created in the 1960s. French chocolate maker Henri Menier (1853–1913) had a château in Vauréal and named the 70-metre-high Vauréal Falls on Anticosti Island in Quebec province of Canada after the town.

The canton of Cergy-1 is an administrative division of the Val-d'Oise department, Île-de-France region, northern France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Cergy.It consists of the following communes: Cergy (partly) Osny Puiseux-Pontoise

Cergy-Saint-Christophe station (French: Gare de Cergy-Saint-Christophe) is a French railway station in the city of Cergy, France. The station opened on 29 September 1985 along with Cergy-Préfecture station. It was, until 1994, the terminus for RER's line A3 but is now the penultimate stop. The station building is a large glass structure placed above the line at street level and comprises a metal and glass cylinder and Europe's largest clock. The architects were Martine and Philippe Deslandes, and the twin clock mechanisms were provided by Huchez.Buildings have soon followed the station and the area is now Cergy's second shopping centre. From the station forecourt a pedestrian street leads to the plaza of the Axe Majeur from which is a view of the Vallée de l'Oise and of Paris. The axe is aligned with Paris' Champ de Mars.

The canton of Vauréal is an administrative division of the Val-d'Oise department, Île-de-France region, northern France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Vauréal.It consists of the following communes:

Puiseux-Pontoise (French pronunciation: [pɥizø pɔ̃twaz] ) is a commune in the Val-d'Oise department in Île-de-France in northern France.

Cergy-le-Haut station is a railway station in Cergy, a western Paris suburb that serves trains on the RER A line of the Réseau Express Régional network and Line L line of the Transilien network. The station was built in 1994 and is located underground in a shallow cut and cover tunnel. When first built, the station was located in an area of open fields, now built upon and is part of the network of stations serving the ville nouvelle of Cergy-Pontoise. It was part of a large project to develop the area and smart Parisian style buildings have been built next to the station around a plaza situated above the tracks. Cergy-le-Haut is not yet fully developed so fields are next to the station and next to seven-storey high apartment buildings. During rush hours it is served by RER A trains every ten minutes and by Transilien Line L every ten minutes.

Courdimanche (French pronunciation: [kuʁdimɑ̃ʃ] ) is a commune in the Val-d'Oise department in Île-de-France in northern France.

Jouy-le-Moutier (French pronunciation: [ʒwi lə mutje] ) is a commune in the Val-d'Oise department, in the northwestern suburbs of Paris, France. It is located 28.4 km (17.6 mi) from the center of Paris, in the "new town" of Cergy-Pontoise, created in the 1960s.

Mirapolis was a theme park located in Courdimanche (Val-d'Oise, France), which was based on elements from French literature (novels and fables) and culture. Mirapolis was opened in 1987. Spanning 55 ha (136 acres), the park was described as being 'France's first large amusement park'. It encountered several problems, like other contemporary French parks, such as Zygofolis or Big Bang Schtroumpf. Mirapolis eventually closed in 1991, and was mostly demolished.

Ham is a small village to the south of Cergy. The village used to be part of the Sergentery and then commune of Neuville-sur-Oise but has since been amalgamated in the commune of Cergy. It is situated on the southern side of the River Oise and is linked to Cergy by a one way bridge. The area is rather flat as it is inside the last meander of the river. On its territory is the outdoor leisure centre Base de Loisirs de Cergy-Neuville.

Boisemont (French pronunciation: [bwazmɔ̃] ) is a commune in the Val-d'Oise department in Île-de-France in northern France.

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. Created in the 1970s, it became an agglomeration community in 2004.