Onzain (Onzain)
- former commune in Loir-et-Cher, France
- Country:
- Postal Code: 41150
- Coordinates: 47° 29' 59" N, 1° 10' 27" E
- GPS tracks (wikiloc): [Link]
- Area: 29.89 sq km
- Population: 3395
- Wikipedia en: wiki(en)
- Wikipedia: wiki(fr)
- Wikidata storage: Wikidata: Q752907
- Wikipedia Commons Category: [Link]
- Freebase ID: [/m/03nw1s4]
- GeoNames ID: Alt: [2989495]
- BnF ID: [152594413]
- VIAF ID: Alt: [126690575]
- Library of Congress authority ID: Alt: [n82069263]
- Quora topic ID: [Onzain]
- INSEE municipality code: 41167
Shares border with regions:

Chouzy-sur-Cisse
- former commune in Loir-et-Cher, France
- Country:
- Postal Code: 41150
- Coordinates: 47° 31' 31" N, 1° 14' 50" E
- GPS tracks (wikiloc): [Link]
- Area: 22.43 sq km
- Population: 2027
- Web site: [Link]
Seillac
- former commune in Loir-et-Cher, France
- Country:
- Postal Code: 41150
- Coordinates: 47° 32' 42" N, 1° 9' 26" E
- GPS tracks (wikiloc): [Link]
- Area: 9.58 sq km
- Population: 107


Veuves
- former commune in Loir-et-Cher, France
- Country:
- Postal Code: 41150
- Coordinates: 47° 28' 17" N, 1° 7' 29" E
- GPS tracks (wikiloc): [Link]
- Area: 8.07 sq km
- Population: 215


Monteaux
- commune in Loir-et-Cher, France
- Country:
- Postal Code: 41150
- Coordinates: 47° 29' 9" N, 1° 6' 48" E
- GPS tracks (wikiloc): [Link]
- Area: 6.27 sq km
- Population: 790


Mesland
- commune in Loir-et-Cher, France
- Country:
- Postal Code: 41150
- Coordinates: 47° 30' 35" N, 1° 7' 21" E
- GPS tracks (wikiloc): [Link]
- Area: 26.38 sq km
- Population: 570


Santenay
- commune in Loir-et-Cher, France
- Country:
- Postal Code: 41190
- Coordinates: 47° 34' 0" N, 1° 6' 59" E
- GPS tracks (wikiloc): [Link]
- Area: 30.28 sq km
- Population: 297

Coulanges
- former commune in Loir-et-Cher, France
- Country:
- Postal Code: 41150
- Coordinates: 47° 32' 35" N, 1° 13' 23" E
- GPS tracks (wikiloc): [Link]
- Area: 8.35 sq km
- Population: 328


Chaumont-sur-Loire
- commune in Loir-et-Cher, France
- Country:
- Postal Code: 41150
- Coordinates: 47° 28' 48" N, 1° 11' 8" E
- GPS tracks (wikiloc): [Link]
- Area: 26.84 sq km
- Population: 1089
- Web site: [Link]