Gasny

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

Sainte-Geneviève-lès-Gasny is a commune in the Eure department in Normandy in northern France.

La Roche-Guyon (French pronunciation: [la ʁɔʃ ɡɥijɔ̃] ) 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. The commune grew around the Château de La Roche-Guyon, upon which historically it depended for its existence. The commune's population in 2019 was 479.

The Arboretum de La Roche-Guyon (12 hectares), also known as the Arboretum de La Roche, is an arboretum managed by the Office national des forêts (ONF). It is located in the regional forest (309 hectares) north of La Roche-Guyon, Val-d'Oise, Île-de-France, France, and open daily without charge. The arboretum was created in 1990 by the ONF. It symbolizes the geography of Île-de-France, and contains 1821 trees reflecting the region's municipalities. Each of region's départements is represented by a mass of trees: maples for the Essonne; limes and laurels for the Hauts-de-Seine; oak, dogwood, eucalyptus, blackberry, holly, and buckthorn for the Seine-et-Marne; beech for Yvelines, and so forth. Rivers are represented by strips of lawn.

Amenucourt (French pronunciation: [am(ə)nykuʁ] ) is a commune in the Val-d'Oise department in Île-de-France in northern France.

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

Fourges (French pronunciation: [fuʁʒ]) is a former commune in the Eure department in the Normandy region in northern France. On 1 January 2016, it was merged into the new commune of Vexin-sur-Epte.

Haute-Isle (French pronunciation: [ot il] ) is a commune in the Val-d'Oise department in Île-de-France in northern France.

Bus-Saint-Rémy (French pronunciation: [by sɛ̃ ʁemi]) is a former commune in the Eure department in Normandy in northern France. On 1 January 2016, it was merged into the new commune of Vexin-sur-Epte.

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

Heubécourt-Haricourt (French pronunciation: [øbekuʁ aʁikuʁ]) is a commune in the Eure department in north-western France.

Bonnières-sur-Seine (French pronunciation: [bɔnjɛʁ syʁ sɛn], literally Bonnières on Seine) is a commune in the Yvelines department in north-central France.