Igny (Igny)
- commune in Essonne, France
- Country:
- Postal Code: 91430
- Coordinates: 48° 44' 32" N, 2° 13' 34" E
- GPS tracks (wikiloc): [Link]
- Area: 3.82 sq km
- Population: 10035
- Web site: http://www.ville-igny.fr
- Wikipedia en: wiki(en)
- Wikipedia: wiki(fr)
- Wikidata storage: Wikidata: Q1166034
- Wikipedia Commons Category: [Link]
- Freebase ID: [/m/03mgtr4]
- Freebase ID: [/m/03mgtr4]
- GeoNames ID: Alt: [6446149]
- GeoNames ID: Alt: [6446149]
- SIREN number: [219103124]
- SIREN number: [219103124]
- BnF ID: [15280137g]
- BnF ID: [15280137g]
- Twitter username: Alt: [VilleIgny]
- Twitter username: Alt: [VilleIgny]
- INSEE municipality code: 91312
- INSEE municipality code: 91312
Shares border with regions:

Bièvres
- commune in Essonne, France
- Country:
- Postal Code: 91570
- Coordinates: 48° 45' 20" N, 2° 12' 54" E
- GPS tracks (wikiloc): [Link]
- Area: 9.69 sq km
- Population: 4564
- Web site: [Link]

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]


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]

Vauhallan
- commune in Essonne, France
- Country:
- Postal Code: 91430
- Coordinates: 48° 44' 2" N, 2° 12' 27" E
- GPS tracks (wikiloc): [Link]
- Area: 3.34 sq km
- Population: 1931
- Web site: [Link]

Verrières-le-Buisson
- commune in Essonne, France
- Country:
- Postal Code: 91370
- Coordinates: 48° 44' 51" N, 2° 15' 46" E
- GPS tracks (wikiloc): [Link]
- Area: 9.91 sq km
- Population: 15592
- Web site: [Link]