Lay (Lay)
- commune in Loire, France
- Country:
- Postal Code: 42470
- Coordinates: 45° 57' 20" N, 4° 13' 7" E
- GPS tracks (wikiloc): [Link]
- Area: 12.85 sq km
- Population: 739
- Wikipedia en: wiki(en)
- Wikipedia: wiki(fr)
- Wikidata storage: Wikidata: Q1116198
- Wikipedia Commons Category: [Link]
- Freebase ID: [/m/03nwbjw]
- Freebase ID: [/m/03nwbjw]
- GeoNames ID: Alt: [3005416]
- GeoNames ID: Alt: [3005416]
- SIREN number: [214201188]
- SIREN number: [214201188]
- BnF ID: [15259686m]
- BnF ID: [15259686m]
- INSEE municipality code: 42118
- INSEE municipality code: 42118
Shares border with regions:


Fourneaux
- commune in Loire, France
- Country:
- Postal Code: 42470
- Coordinates: 45° 56' 13" N, 4° 16' 10" E
- GPS tracks (wikiloc): [Link]
- AboveSeaLevel: 530 м m
- Area: 12.17 sq km
- Population: 596

Saint-Symphorien-de-Lay
- commune in Loire, France
- Country:
- Postal Code: 42470
- Coordinates: 45° 56' 52" N, 4° 12' 42" E
- GPS tracks (wikiloc): [Link]
- Area: 33.57 sq km
- Population: 1897


Régny
- commune in Loire, France
- Country:
- Postal Code: 42630
- Coordinates: 45° 59' 27" N, 4° 12' 53" E
- GPS tracks (wikiloc): [Link]
- Area: 13.8 sq km
- Population: 1543

Amplepuis
- commune in Rhône, France
- Country:
- Postal Code: 69550
- Coordinates: 45° 58' 21" N, 4° 19' 49" E
- GPS tracks (wikiloc): [Link]
- Area: 38.44 sq km
- Population: 5072
- Web site: [Link]