Chilly-Mazarin (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: http://www.ville-chilly-mazarin.fr
- Wikipedia en: wiki(en)
- Wikipedia: wiki(fr)
- Wikidata storage: Wikidata: Q247241
- Wikipedia Commons Category: [Link]
- Freebase ID: [/m/0c3k3h]
- Freebase ID: [/m/0c3k3h]
- GeoNames ID: Alt: [6446124]
- GeoNames ID: Alt: [6446124]
- SIREN number: [219101615]
- SIREN number: [219101615]
- BnF ID: [152800972]
- BnF ID: [152800972]
- VIAF ID: Alt: [158534600]
- VIAF ID: Alt: [158534600]
- Library of Congress authority ID: Alt: [n81033582]
- Library of Congress authority ID: Alt: [n81033582]
- PACTOLS thesaurus ID: [pcrtZ2fsFdhyia]
- PACTOLS thesaurus ID: [pcrtZ2fsFdhyia]
- WOEID: [585855]
- WOEID: [585855]
- Twitter username: Alt: [Chilly_Mazarin]
- Twitter username: Alt: [Chilly_Mazarin]
- INSEE municipality code: 91161
- INSEE municipality code: 91161
Shares border with regions:

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: [Link]

Morangis
- commune in Essonne, France
- Country:
- Postal Code: 91420
- Coordinates: 48° 42' 23" N, 2° 20' 5" E
- GPS tracks (wikiloc): [Link]
- Area: 4.8 sq km
- Population: 13026
- 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]


Wissous
- commune in Essonne, France
- Country:
- Postal Code: 91320
- Coordinates: 48° 43' 51" N, 2° 19' 38" E
- GPS tracks (wikiloc): [Link]
- Area: 9.11 sq km
- Population: 7687
- 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]