Saint-Cast-le-Guildo (Saint-Cast-le-Guildo)
- commune in Côtes-d'Armor, France
- Country:
- Postal Code: 22380
- Coordinates: 48° 37' 46" N, 2° 15' 28" E
- GPS tracks (wikiloc): [Link]
- Area: 22.63 sq km
- Population: 3387
- Web site: http://www.saintcastleguildo.fr
- Wikipedia en: wiki(en)
- Wikipedia: wiki(fr)
- Wikidata storage: Wikidata: Q453076
- Wikipedia Commons Category: [Link]
- Freebase ID: [/m/03m4bsw]
- GeoNames ID: Alt: [2981237]
- SIREN number: [212202824]
- BnF ID: [15251280h]
- VIAF ID: Alt: [145850582]
- GND ID: Alt: [4314513-9]
- archINFORM location ID: [4193]
- Library of Congress authority ID: Alt: [nr91033204]
- PACTOLS thesaurus ID: [pcrtzAGhjxb4VT]
- INSEE municipality code: 22282
Shares border with regions:


Saint-Lormel
- commune in Côtes-d'Armor, France
- Country:
- Postal Code: 22130
- Coordinates: 48° 32' 46" N, 2° 13' 46" E
- GPS tracks (wikiloc): [Link]
- Area: 9.77 sq km
- Population: 877


Matignon
- commune in Côtes-d'Armor, France
- Country:
- Postal Code: 22550
- Coordinates: 48° 35' 45" N, 2° 17' 30" E
- GPS tracks (wikiloc): [Link]
- Area: 14.53 sq km
- Population: 1643
- Web site: [Link]


Saint-Pôtan
- commune in Côtes-d'Armor, France
- Country:
- Postal Code: 22550
- Coordinates: 48° 33' 28" N, 2° 17' 29" E
- GPS tracks (wikiloc): [Link]
- Area: 19.89 sq km
- Population: 802