Bailly (Bailly)
- commune in Yvelines, France
- Country:
- Postal Code: 78870
- Coordinates: 48° 50' 29" N, 2° 4' 38" E
- GPS tracks (wikiloc): [Link]
- Area: 6.53 sq km
- Population: 3932
- Web site: http://www.mairie-bailly.fr
- Wikipedia en: wiki(en)
- Wikipedia: wiki(fr)
- Wikidata storage: Wikidata: Q83439
- Wikipedia Commons Category: [Link]
- Freebase ID: [/m/03qf_58]
- Freebase ID: [/m/03qf_58]
- GeoNames ID: Alt: [6455266]
- GeoNames ID: Alt: [6455266]
- SIREN number: [217800432]
- SIREN number: [217800432]
- BnF ID: [152758889]
- BnF ID: [152758889]
- INSEE municipality code: 78043
- INSEE municipality code: 78043
Shares border with regions:

Saint-Cyr-l'École
- commune in Yvelines, France
- Country:
- Postal Code: 78210
- Coordinates: 48° 48' 1" N, 2° 3' 45" E
- GPS tracks (wikiloc): [Link]
- AboveSeaLevel: 158 м m
- Area: 5.01 sq km
- Population: 18221
- Web site: [Link]

Rocquencourt
- commune in Yvelines, France
- Country:
- Postal Code: 78150
- Coordinates: 48° 50' 12" N, 2° 6' 39" E
- GPS tracks (wikiloc): [Link]
- Area: 2.78 sq km
- Population: 3174
- Web site: [Link]

Fontenay-le-Fleury
- commune in Yvelines, France
- Country:
- Postal Code: 78330
- Coordinates: 48° 48' 49" N, 2° 2' 55" E
- GPS tracks (wikiloc): [Link]
- Area: 5.43 sq km
- Population: 13374


Versailles
- commune in Yvelines, France
- Country:
- Postal Code: 78000
- Coordinates: 48° 48' 17" N, 2° 8' 3" E
- GPS tracks (wikiloc): [Link]
- AboveSeaLevel: 180 м m
- Area: 26.18 sq km
- Population: 85771
- Web site: [Link]

Marly-le-Roi
- commune in Yvelines, France
- Country:
- Postal Code: 78160
- Coordinates: 48° 52' 1" N, 2° 5' 39" E
- GPS tracks (wikiloc): [Link]
- AboveSeaLevel: 179 м m
- Area: 6.54 sq km
- Population: 16431
- Web site: [Link]

L'Étang-la-Ville
- commune in Yvelines, France
- Country:
- Postal Code: 78620
- Coordinates: 48° 52' 8" N, 2° 4' 16" E
- GPS tracks (wikiloc): [Link]
- AboveSeaLevel: 64 м m
- Area: 5.38 sq km
- Population: 4641
- Web site: [Link]

Louveciennes
- commune in Yvelines, France
- Country:
- Postal Code: 78431
- Coordinates: 48° 51' 37" N, 2° 6' 59" E
- GPS tracks (wikiloc): [Link]
- Area: 5.37 sq km
- Population: 7143
- Web site: [Link]

Noisy-le-Roi
- commune in Yvelines, France
- Country:
- Postal Code: 78590
- Coordinates: 48° 50' 47" N, 2° 3' 36" E
- GPS tracks (wikiloc): [Link]
- Area: 5.43 sq km
- Population: 7550
- Web site: [Link]