Guitrancourt

Issou (French pronunciation: [isu]) is a commune in the Yvelines department, administrative region of Île-de-France, France.

Fontenay-Saint-Père (French pronunciation: [fɔ̃tnɛ sɛ̃ pɛʁ]) is a commune in the Yvelines department in the Île-de-France in north-central France.

Gargenville (French pronunciation: [ɡaʁʒɑ̃vil]) is a commune in the Yvelines department in the Île-de-France region in north-central France, 45 km to the center of Paris. It is part of the Parc naturel régional du Vexin français. With the neighborhing commune of Issou, it forms an urban area of around 10000 inhabitants. Inhabitants are known in French as the Gargenvillois.

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

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

The canton of Limay 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 Limay.It consists of the following communes:

Limay (French pronunciation: [limɛ]) is a commune in the Yvelines department in the Île-de-France region in north-central France. It is located in the western suburbs of Paris 47.8 km (29.7 mi) from the center. Limay lies across the Seine river from Mantes-la-Jolie.

Brueil-en-Vexin (French pronunciation: [bʁyɛj ɑ̃ vɛksɛ̃], literally Brueil in Vexin) is a commune in the Yvelines department in the Île-de-France region in north-central France.

Drocourt (French pronunciation: [dʁɔkuʁ]) is a commune in the Yvelines department in the Île-de-France in north-central France.

The Mauldre (French pronunciation: [moldʁ]) is a 35 km long river in France. It is a left tributary of the Seine. Its basin area is about 410 square kilometres, which covers 66 municipalities corresponding to 400 000 inhabitants. Its source elevation is 135 m. The Mauldre flows into the Seine near Épône. One of its affluents is the ru de Gally, whose source is in the gardens of Versailles.

Saint-Cyr-en-Arthies (French pronunciation: [sɛ̃ siʁ ɑ̃.n‿aʁti] ) is a commune in the Val-d'Oise department in Île-de-France in northern France.

Montalet-le-Bois (French pronunciation: [mɔ̃talɛ lə bwa]) is a commune in the Yvelines department in the Île-de-France region in north-central France.