Cayeux-sur-Mer (Cayeux-sur-Mer)
- commune in Somme, France
- Country:
- Postal Code: 80410
- Coordinates: 50° 10' 51" N, 1° 29' 41" E
- GPS tracks (wikiloc): [Link]
- Area: 26.29 sq km
- Population: 2530
- Web site: http://www.cayeux-sur-mer.fr
- Wikipedia en: wiki(en)
- Wikipedia: wiki(fr)
- Wikidata storage: Wikidata: Q1024720
- Wikipedia Commons Category: [Link]
- Freebase ID: [/m/03mdgd7]
- GeoNames ID: Alt: [3028095]
- SIREN number: [218001741]
- BnF ID: [15276665b]
- VIAF ID: Alt: [144998083]
- Library of Congress authority ID: Alt: [n2005064782]
- PACTOLS thesaurus ID: [pcrtWStxTWh7LS]
- Twitter username: Alt: [cayeuxsurmer_of]
- INSEE municipality code: 80182
Shares border with regions:

Brutelles
- commune in Somme, France
- Country:
- Postal Code: 80230
- Coordinates: 50° 8' 28" N, 1° 31' 18" E
- GPS tracks (wikiloc): [Link]
- Area: 6.29 sq km
- Population: 203

Lanchères
- commune in Somme, France
- Country:
- Postal Code: 80230
- Coordinates: 50° 9' 31" N, 1° 33' 17" E
- GPS tracks (wikiloc): [Link]
- Area: 16.39 sq km
- Population: 902

Saint-Quentin-en-Tourmont
- commune in Somme, France
- Country:
- Postal Code: 80120
- Coordinates: 50° 17' 6" N, 1° 35' 22" E
- GPS tracks (wikiloc): [Link]
- Area: 32.89 sq km
- Population: 298


Woignarue
- commune in Somme, France
- Country:
- Postal Code: 80460
- Coordinates: 50° 6' 36" N, 1° 29' 43" E
- GPS tracks (wikiloc): [Link]
- Area: 16.51 sq km
- Population: 854