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The Château d'Eu is a former royal residence in the town of Eu, in the Seine-Maritime department of France, in Normandy.The château d'Eu stands at the centre of the town and was built in the 16th century to replace an earlier one purposely demolished in 1475 to prevent its capture by the English. The chapel contains the tombs of Henry I, Duke of Guise, and his wife, Catherine de Clèves, who embarked on the construction of the château in 1578.

The Communauté de communes des Villes Sœurs (before 2017: Communauté de communes interrégionale de Bresle maritime) is a Communauté de communes located in both the Seine-Maritime département (in the Normandy région) and the Somme département (Hauts-de-France région) of north-western France. On 1 January 2017 it was expanded with 7 communes, and renamed Communauté de communes des Villes Sœurs.

The Gare d'Eu (Eu station) is a railway station located in the commune of Eu in the Seine-Maritime department, France, in the region of Normandy.It is the main station for Eu; the former Gare d'Eu-la Mouillette was better located but served by only one rail line.