Cayeux-sur-Mer is a resort town in the Somme department in Hauts-de-France in northern France. The town is part of the Baie de Somme - Picardie maritime regional natural park project.
Its inhabitants are called the Cayolais.
Wikipedia https://en.wikipedia.org/wiki/Cayeux-sur-Mer
Coordinates 50°10'45.121" N 1°29'36.182" E
