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École Nationale Supérieure de l'Électronique et de ses Applications (also known as ENSEA) is a graduate school (grande école) of electrical engineering and computer science, located in Cergy (in Val d'Oise department) close to Paris in France. It was founded in 1952 under the name of ENREA and became ENSEA in 1976.

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.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.

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.

Cergy (French pronunciation: [sɛʁʒi] ) is a commune in the French department of Val-d'Oise, to the northwest of Paris. It is located 27.8 km (17.3 mi) from the centre of Paris, in the "new town" of Cergy-Pontoise, created in the 1960s, of which it is the central and most populated commune. Although neighbouring Pontoise is the official préfecture (capital) of the Val-d'Oise département, the préfecture building and administration, as well as the department council (conseil général), are located inside the commune of Cergy, which is regarded as the de facto capital of Val-d'Oise. The sous-préfecture building and administration, on the other hand, are located inside the commune of Pontoise.

CY Cergy Paris University (French: CY Cergy Paris Université) is a public university located in Cergy-Pontoise, France. It was officially announced in October 2019 by the décret that the university would be founded by combining other institutions on 1 January 2020. The official status of the university is an experimental institution.

Cergy-Pontoise University (French: Université de Cergy-Pontoise) was a French university, located in Cergy-Pontoise, France. On 1 January 2020, the university merged with the International School of Information Processing Sciences (EISTI) and the University of Paris-Seine to form CY Cergy Paris University. Cergy-Pontoise University is a public university and a leading centre of teaching and research, which welcomes 18,000 students and 1,500 international students interested in studying abroad. The university is located in the west of Paris (30 km from central Paris), in the Val-d'Oise department. The university also managed the Institut d'études politiques de Saint-Germain-en-Laye (in cooperation with the Versailles Saint-Quentin-en-Yvelines University).

CY Tech, formerly EISTI (École internationale des sciences du traitement de l'information), is a French graduate engineering school created in 1983.It is located across three campuses (Cergy, Pau, Saint-Germain-en-Laye) and specialises in the fields of computer science, applied mathematics, biotechnology, chemistry and civil engineering. The college is a member of the University of Paris-Seine.

The École nationale supérieure d'arts de Paris Cergy is a National public school of art and design established in Cergy-Pontoise. It is one of the 5 National Art school in France, run by the French Ministry of Culture (France). Recognized as France's second best graduate school of arts, it delivers the DNSEP, Master's degree of Fine Arts, as well as Post Masters. It presents itself as a "laboratory for contemporary art" around dance studios, film, sound, video, painting, photography, drawing, writing, and multimedia. It runs its own art gallery, Ygrec, located in ParisIt runs exchange programs with La Cambre in Brussels; Central Saint Martins, London; Otis College of Art and Design, Los Angeles; Royal Danish Academy of Fine Arts, Copenhagen, among others

EBI is a Grande Ecole d'Ingénieurs (Top graduate engineering school) founded in 1992, providing courses in Industrial Engineering with a strong focus on Biological Engineering. EBI is a private technical further education establishment managed by a non-profit association, the purpose of which is to offer further education courses in industrial biology, whether in the form of initial training or continued vocational training. EBI is state-approved and authorised to teach scholarship students. It awards a Master's engineering degree recognised by the Engineering Qualifications Commission and also offers specialised 1-year postgraduate courses. EBI's governing body is composed of various industrial partners : Air Liquide, Galderma, DERMA Développement, EFFIK, Association FERT, L'Oréal ... It is chaired by Xavier YON, former CEO of GALDERMA. EBI is a member of the Saint Louis Polytechnic Institute (with 2,200 students, 500 postgraduates every year), grouping together complementary specialist colleges in Cergy to provide a multidisciplinary approach to engineering sciences as well as lateral humanities and vocational training. EBI is a founding member of the Cergy-Pontoise Val d’Oise further education and research centre, along with Cergy's other prestigious colleges (ESSEC, ENSEA, EISTI, etc.) and Cergy-Pontoise University. It is also member of the University of Paris-Seine.

The EDF-GDF tower is an office building built in 1974 in the heart of the new town of Cergy, France, in the Cergy Prefecture business and administrative district.

Cergy-Préfecture is a railway station in Cergy, France. The station was opened on 31 March 1979 (1979-03-31) and receives trains from Paris-Saint-Lazare as well as the RER. The station is underground and has two platforms. The entire area above and around the station is built up and the département council has its offices next to the station (hence the station's name). The station is at the heart of a transport interchange at level -1 with the bus station at ground level. Level 1 is a large concrete slab plaza with shops and living apartments. Cergy–Préfecture only has two platforms, with the platform situated between both tracks. Walls at platform level were painted with graffiti with messages of peace to discourage vandals. The general ambiance of the station is rather dark, but secure but CCTV monitoring the interchange. Rail services link Cergy to Cergy-le-Haut and the Western Paris suburbs. Buses serve the ville nouvelle and particularly Pontoise and the rest of Val-d'Oise département.

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