Saint-Germain-de-la-Grange (Saint-Germain-de-la-Grange)
- commune in Yvelines, France
- Country:
- Postal Code: 78640
- Coordinates: 48° 50' 1" N, 1° 53' 58" E
- GPS tracks (wikiloc): [Link]
- Area: 5.23 sq km
- Population: 1861
- Web site: http://www.saint-germain-de-la-grange.net
- Wikipedia en: wiki(en)
- Wikipedia: wiki(fr)
- Wikidata storage: Wikidata: Q1625247
- Wikipedia Commons Category: [Link]
- Freebase ID: [/m/03qg3jv]
- Freebase ID: [/m/03qg3jv]
- GeoNames ID: Alt: [6444068]
- GeoNames ID: Alt: [6444068]
- SIREN number: [217805506]
- SIREN number: [217805506]
- BnF ID: [15276088b]
- BnF ID: [15276088b]
- INSEE municipality code: 78550
- INSEE municipality code: 78550
Shares border with regions:

Thiverval-Grignon
- commune in Yvelines, France
- Country:
- Postal Code: 78850
- Coordinates: 48° 51' 4" N, 1° 55' 2" E
- GPS tracks (wikiloc): [Link]
- Area: 11.17 sq km
- Population: 1100
- Web site: [Link]

Plaisir
- commune in Yvelines, France
- Country:
- Postal Code: 78370
- Coordinates: 48° 49' 4" N, 1° 56' 47" E
- GPS tracks (wikiloc): [Link]
- Area: 18.68 sq km
- Population: 31857
- Web site: [Link]

Neauphle-le-Château
- commune in Yvelines, France
- Country:
- Postal Code: 78640
- Coordinates: 48° 48' 52" N, 1° 54' 8" E
- GPS tracks (wikiloc): [Link]
- Area: 2.15 sq km
- Population: 3214
- Web site: [Link]

Beynes
- commune in Yvelines, France
- Country:
- Postal Code: 78650
- Coordinates: 48° 51' 23" N, 1° 52' 22" E
- GPS tracks (wikiloc): [Link]
- Area: 18.56 sq km
- Population: 7552
- Web site: [Link]

Villiers-Saint-Frédéric
- commune in Yvelines, France
- Country:
- Postal Code: 78640
- Coordinates: 48° 49' 15" N, 1° 53' 24" E
- GPS tracks (wikiloc): [Link]
- Area: 5.06 sq km
- Population: 2764
- Web site: [Link]