Le Mesnil-le-Roi (Le Mesnil-le-Roi)
- commune in Yvelines, France
- Country:
- Postal Code: 78600
- Coordinates: 48° 55' 41" N, 2° 7' 21" E
- GPS tracks (wikiloc): [Link]
- AboveSeaLevel: 42 м m
- Area: 3.25 sq km
- Population: 6303
- Web site: http://www.lemesnilleroi.com/
- Wikipedia en: wiki(en)
- Wikipedia: wiki(fr)
- Wikidata storage: Wikidata: Q759589
- Wikipedia Commons Category: [Link]
- Freebase ID: [/m/03c3l59]
- Freebase ID: [/m/03c3l59]
- GeoNames ID: Alt: [3003375]
- GeoNames ID: Alt: [3003375]
- SIREN number: [217803964]
- SIREN number: [217803964]
- BnF ID: [152760274]
- BnF ID: [152760274]
- VIAF ID: Alt: [139629885]
- VIAF ID: Alt: [139629885]
- Library of Congress authority ID: Alt: [n85307960]
- Library of Congress authority ID: Alt: [n85307960]
- SUDOC authorities ID: [030352711]
- SUDOC authorities ID: [030352711]
- INSEE municipality code: 78396
- INSEE municipality code: 78396
Shares border with regions:


Saint-Germain-en-Laye
- commune in Yvelines, France
- Country:
- Postal Code: 78100
- Coordinates: 48° 53' 47" N, 2° 5' 26" E
- GPS tracks (wikiloc): [Link]
- AboveSeaLevel: 78 м m
- Area: 48.27 sq km
- Population: 39980
- Web site: [Link]


Sartrouville
- commune in Yvelines, France
- Country:
- Postal Code: 78500
- Coordinates: 48° 56' 43" N, 2° 10' 12" E
- GPS tracks (wikiloc): [Link]
- Area: 8.46 sq km
- Population: 52538
- Web site: [Link]


Le Pecq
- commune in Yvelines, France
- Country:
- Postal Code: 78230
- Coordinates: 48° 53' 48" N, 2° 6' 22" E
- GPS tracks (wikiloc): [Link]
- Area: 2.84 sq km
- Population: 16131
- Web site: [Link]


Maisons-Laffitte
- commune in Yvelines, France
- Country:
- Postal Code: 78600
- Coordinates: 48° 56' 46" N, 2° 8' 42" E
- GPS tracks (wikiloc): [Link]
- AboveSeaLevel: 38 м m
- Area: 6.75 sq km
- Population: 23371
- Web site: [Link]


Montesson
- commune in Yvelines, France
- Country:
- Postal Code: 78360
- Coordinates: 48° 54' 31" N, 2° 8' 58" E
- GPS tracks (wikiloc): [Link]
- AboveSeaLevel: 56 м m
- Area: 7.36 sq km
- Population: 15145
- Web site: [Link]