Champlan (Champlan)
- commune in Essonne, France
- Country:
- Postal Code: 91160
- Coordinates: 48° 42' 31" N, 2° 16' 28" E
- GPS tracks (wikiloc): [Link]
- Area: 3.68 sq km
- Population: 2832
- Web site: http://www.ville-champlan.fr
- Wikipedia en: wiki(en)
- Wikipedia: wiki(fr)
- Wikidata storage: Wikidata: Q1142878
- Wikipedia Commons Category: [Link]
- Freebase ID: [/m/03mgd1_]
- Freebase ID: [/m/03mgd1_]
- GeoNames ID: Alt: [3027098]
- GeoNames ID: Alt: [3027098]
- SIREN number: [219101367]
- SIREN number: [219101367]
- BnF ID: [152800910]
- BnF ID: [152800910]
- VIAF ID: Alt: [127849491]
- VIAF ID: Alt: [127849491]
- Library of Congress authority ID: Alt: [n83219833]
- Library of Congress authority ID: Alt: [n83219833]
- INSEE municipality code: 91136
- INSEE municipality code: 91136
Shares border with regions:

Palaiseau
- commune in Essonne, France
- Country:
- Postal Code: 91120
- Coordinates: 48° 43' 6" N, 2° 14' 59" E
- GPS tracks (wikiloc): [Link]
- Area: 11.51 sq km
- Population: 33114
- Web site: [Link]


Longjumeau
- commune in Essonne, France
- Country:
- Postal Code: 91160
- Coordinates: 48° 41' 49" N, 2° 17' 44" E
- GPS tracks (wikiloc): [Link]
- Area: 4.84 sq km
- Population: 21724
- Web site: [Link]


Chilly-Mazarin
- commune in Essonne, France
- Country:
- Postal Code: 91380
- Coordinates: 48° 42' 19" N, 2° 18' 58" E
- GPS tracks (wikiloc): [Link]
- Area: 5.57 sq km
- Population: 20258
- Web site: [Link]

Saulx-les-Chartreux
- commune in Essonne, France
- Country:
- Postal Code: 91160
- Coordinates: 48° 41' 32" N, 2° 15' 59" E
- GPS tracks (wikiloc): [Link]
- Area: 7.65 sq km
- Population: 5181
- Web site: [Link]


Massy
- commune in Essonne, France
- Country:
- Postal Code: 91300
- Coordinates: 48° 43' 50" N, 2° 16' 35" E
- GPS tracks (wikiloc): [Link]
- Area: 9.43 sq km
- Population: 48363
- Web site: [Link]


Villebon-sur-Yvette
- commune in Essonne, France
- Country:
- Postal Code: 91940
- Coordinates: 48° 42' 0" N, 2° 13' 40" E
- GPS tracks (wikiloc): [Link]
- Area: 7.41 sq km
- Population: 10455
- Web site: [Link]