Hauts-de-Seine is a department in the Île-de-France region of France. It covers Paris's western inner suburbs. It is bordered by Paris, Seine-Saint-Denis and Val-de-Marne to the east, Val-d'Oise to the north, Yvelines to the west and Essonne to the south. With a population of 1,624,357 and a total area of 176 square kilometres, it has the second highest population density among all departments of France, after Paris. It is the fifth most populous department in France. Its prefecture is Nanterre, but Boulogne-Billancourt, one of its two subprefectures, alongside Antony, has a larger population.
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.
Plaisir is a commune located in the heart of the Yvelines department in the Île-de-France region in Northern France. It is located in the western outer suburbs of Paris, 29.5 km (18.3 mi) from the centre of Paris.
The arrondissement of Rambouillet is an arrondissement of France in the Yvelines department in the Île-de-France region. It has 83 communes. Its population is 228,785 (2019), and its area is 987.3 km2 (381.2 sq mi).
Élancourt is a commune in the Yvelines department, and the Île-de-France region, north central France. It is located in the western suburbs of Paris, 30.6 km (19.0 mi) from the center of Paris, in the "new town" of Saint-Quentin-en-Yvelines.
Voisins-le-Bretonneux is a commune in the Yvelines department in the Île-de-France region in north-central France. It is located in the south-western suburbs of Paris 24.1 km (15.0 mi) from the centre in the new town of Saint-Quentin-en-Yvelines.
Toussus-le-Noble is a commune in the Yvelines department in the Île-de-France region in north-central France.
Les Essarts-le-Roi is a commune in the Yvelines department in the Île-de-France in north-central France.
Le Port-Marly is a commune in the outer western suburbs of Paris, France. It is located in the Yvelines department in the Île-de-France region, north of Versailles. In 2019, Le Port-Marly had a population of 5,481.
Chanteloup-les-Vignes is a commune and town in the Yvelines department, Île-de-France, north central France.
Bazemont is a commune in the Yvelines department in Île-de-France, northern France. It is situated 18 km south east of the town of Mantes-la-Jolie.
La Celle-les-Bordes is a commune in the Yvelines department in the Île-de-France region in north-central France.
Le Mesnil-Saint-Denis is a commune in the Yvelines department in the Île-de-France region in north-central France.
Noisy-le-Roi is a commune in the Yvelines department in the Île-de-France region in north-central France.
Le Perray-en-Yvelines is a commune in the Yvelines department in the west of Île-de-France in north-central France.
Fontenay-le-Fleury is a commune in the Yvelines department in the Île-de-France in north-central France.
Galluis is a commune in the Yvelines department in the Île-de-France region in north-central France.
La Verrière is a commune in the Yvelines department in the Île-de-France in north-central France.
The canton of Aubergenville is an administrative division of the Yvelines department, northern France. Its borders were modified at the French canton reorganisation which came into effect in March 2015. Its seat is in Aubergenville.
Le Chesnay-Rocquencourt is a commune in the western suburbs of Paris, in the department of Yvelines.
