Yvelines is a department in the western part of the Île-de-France region in Northern France. In 2019, it had a population of 1,448,207. Its prefecture is Versailles, home to the Palace of Versailles, the principal residence of the King of France from 1682 until 1789, a UNESCO World Heritage Site since 1979. Yvelines' subprefectures are Saint-Germain-en-Laye, Mantes-la-Jolie and Rambouillet.
Val-de-Marne is a department of France located in the Île-de-France region. Named after the river Marne, it is situated in the Grand Paris metropolis to the southeast of the City of Paris. In 2019, Val-de-Marne had a population of 1,407,124.
Val-d'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.
Montreuil, sometimes unofficially referred to as Montreuil-sous-Bois, is a commune in the eastern suburbs of Paris, France. It is located 6.6 km (4.1 mi) from the centre of Paris in Seine-Saint-Denis. With a population of 109,914 as of 2018, Montreuil is the fourth most populous suburb of Paris after Boulogne-Billancourt, Saint-Denis and Argenteuil. It is located north of Paris's Bois de Vincennes in the 12th arrondissement, on the border with Val-de-Marne.
La Roche-Guyon is a commune in the Val-d'Oise department in Île-de-France in northern France. It is located in the Vexin regional nature park.
Pontoise is a commune in the northwestern suburbs of Paris, France. It is located 28.4 km (17.6 mi) from the centre of Paris, in the "new town" of Cergy-Pontoise.
Montmorency is a commune in the northern suburbs of Paris, France. It is located 15.3 km (9.5 mi) from the center of Paris.
Eaubonne is a commune in the northern suburbs of Paris, France. It is located 16.1 km (10.0 mi) from the center of Paris.
Villiers-le-Bel is a commune in the French department of Val-d'Oise, in the northern suburbs of Paris. It is located 17.4 km (10.8 mi) from the center of Paris.
The arrondissement of Sarcelles is an arrondissement of France in the Val-d'Oise department in the Île-de-France region. It has 62 communes. Its population is 471,164 (2016), and its area is 371.3 km2 (143.4 sq mi).
Sannois is a commune in the northwestern suburbs of Paris, France. It is located 15.2 km. from the center of Paris, in the Val-d'Oise department in Île-de-France in northern France.
Vauréal 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.
Us is a commune in the Val-d'Oise department and Île-de-France region of France.
The Château d'Écouen is an historic château in the commune of Écouen, some 20 km north of Paris, France, and a notable example of French Renaissance architecture. Since 1975, it has housed the collections of the Musée national de la Renaissance.
L'Isle-Adam is a commune in the Val-d'Oise department in Île-de-France in northern France. The small town beside the river Oise has a long sandy beach and attracts visitors from Paris.
Chaussy is a commune in the Val-d'Oise department in Île-de-France in northern France. It is located in the regional nature park of Vexin.
Butry-sur-Oise is a commune in the Val-d'Oise department in Île-de-France in northern France. Valmondois station, situated in the commune, has rail connections to Persan, Creil, Pontoise and Paris.
Ézanville is a commune in the Val-d'Oise department in Île-de-France in northern France. Écouen - Ézanville station has rail connections to Persan, Luzarches, Sarcelles and Paris.
Valmondois is a commune in the Val-d'Oise department in Île-de-France in northern France. Valmondois station has rail connections to Persan, Creil, Pontoise and Paris.
The Pays de France, also called the Parisis or Plaine de France, is a natural region located in the Île-de-France administrative region to the north of Paris, France. It is essentially a silt plain devoted to cereal crops, of which the southern part is included in the northern suburbs of Paris and greatly urbanised, and also includes Charles de Gaulle Airport.
listen )) is a commune in the northern suburbs of Paris, France. It is located 18.4 km (11.4 mi) from the center of Paris. The 19th-century poet and playwright Pierre-Joseph Charrin (1784–1863) died in Écouen. The artist Louis Théophile Hingre lived and worked in Écouen. [3] 
