Tréon (Tréon)
- commune in Eure-et-Loir, France
- Country:
- Postal Code: 28500
- Coordinates: 48° 40' 34" N, 1° 19' 29" E
- GPS tracks (wikiloc): [Link]
- Area: 10.93 sq km
- Population: 1384
- Wikipedia en: wiki(en)
- Wikipedia: wiki(fr)
- Wikidata storage: Wikidata: Q543167
- Wikipedia Commons Category: [Link]
- Freebase ID: [/m/03nrn34]
- GeoNames ID: Alt: [6430914]
- SIREN number: [212803944]
- BnF ID: [152543241]
- INSEE municipality code: 28394
Shares border with regions:

Crécy-Couvé
- commune in Eure-et-Loir, France
- Country:
- Postal Code: 28500
- Coordinates: 48° 40' 9" N, 1° 16' 53" E
- GPS tracks (wikiloc): [Link]
- Area: 6.65 sq km
- Population: 253
- Web site: [Link]

Aunay-sous-Crécy
- commune in Eure-et-Loir, France
- Country:
- Postal Code: 28500
- Coordinates: 48° 40' 13" N, 1° 18' 17" E
- GPS tracks (wikiloc): [Link]
- Area: 8.45 sq km
- Population: 594
- Web site: [Link]

Marville-Moutiers-Brûlé
- commune in Eure-et-Loir, France
- Country:
- Postal Code: 28500
- Coordinates: 48° 40' 28" N, 1° 23' 19" E
- GPS tracks (wikiloc): [Link]
- AboveSeaLevel: 136 м m
- Area: 20.24 sq km
- Population: 953
- Web site: [Link]


Garancières-en-Drouais
- commune in Eure-et-Loir, France
- Country:
- Postal Code: 28500
- Coordinates: 48° 42' 5" N, 1° 17' 7" E
- GPS tracks (wikiloc): [Link]
- Area: 6.46 sq km
- Population: 274


Garnay
- commune in Eure-et-Loir, France
- Country:
- Postal Code: 28500
- Coordinates: 48° 42' 18" N, 1° 20' 15" E
- GPS tracks (wikiloc): [Link]
- Area: 14.13 sq km
- Population: 873
- Web site: [Link]


Le Boullay-les-Deux-Églises
- commune in Eure-et-Loir, France
- Country:
- Postal Code: 28170
- Coordinates: 48° 37' 36" N, 1° 19' 45" E
- GPS tracks (wikiloc): [Link]
- Area: 13.82 sq km
- Population: 270