Boullay-les-Troux

Les Molières (French pronunciation: [le mɔljɛʁ] ) is a commune in the Essonne department in Île-de-France in northern France. Inhabitants of Les Molières are known as Molièrois in French.

The Château de Breteuil (previously called the Château de Bevilliers) is a château situated in the Vallée de Chevreuse in Yvelines department of France, 35 km (22 mi) to the southwest of Paris. The château was designated a monument historique in 1973. The family of the Marquis de Breteuil gave three ministers to the Kings of France. The château is still owned by the de Breteuil family. The design is similar to the Château de Dampierre-en-Yvelines by Jules Hardouin-Mansart.

Vallée de Chevreuse (Chevreuse Valley) is the valley of the Yvette River in the Yvelines and Essonne departments. It encompasses the communes around Chevreuse (Saint-Rémy-lès-Chevreuse, Choisel, Dampierre, etc.) within the Parc naturel régional de la haute vallée de Chevreuse and communes further downstream until Palaiseau: Gif-sur-Yvette, Bures-sur-Yvette, Orsay, Villebon-sur-Yvette, etc.

Pecqueuse (French pronunciation: [pɛkøz] ) is a commune in the Essonne department in the southern suburbs of Paris, France. It lies adjacent to the west of the larger town Limours. Inhabitants of Pecqueuse are known as Pescusiens in French.

Chevreuse (French pronunciation: [ʃəvʁøz] ) is a commune in the French department of Yvelines, administrative region of Île-de-France, north-central France.

Saint-Rémy-lès-Chevreuse station is a railway station in Saint-Rémy-lès-Chevreuse, a southern suburb of Paris.

Choisel (French: [ʃwazɛl] ) is a commune in the Yvelines department in the Île-de-France region in north-central France.

The Château de la Madeleine is a castle located in the town of Chevreuse, in the French département of Yvelines (Île de France). In a good state of preservation, it was built on the top of a hill and dominates the town. The name comes from the chapel of the castle, dedicated to Sainte Marie-Madeleine.

Saint-Rémy-lès-Chevreuse (French pronunciation: [sɛ̃ ʁemi lɛ ʃəvʁøz] , literally Saint-Rémy near Chevreuse) is a commune in the Yvelines department, in the Île-de-France region of north-central France. Saint-Rémy-lès-Chevreuse station is the southwestern endpoint of the RER B line from Paris.

Limours, often referred to as Limours-en-Hurepoix (French pronunciation: [limuʁ] ) is a commune the Essonne department in Île-de-France in northern France.

Milon-la-Chapelle (French pronunciation: [milɔ̃ la ʃapɛl]) is a commune in the Yvelines department in the Île-de-France region in north-central France. As of 2020, it is the commune with the third highest median per capita income (€52,650 per year) in France.

Courcelle-sur-Yvette station is a RER B station of Gif-sur-Yvette, near Paris, France. It's also the name of a district of this town. An underpass was built in 1983 to connect the two sides of the way.