Tramway of Quend-Plage and Fort-Mahon

Saint-Quentin-en-Tourmont (French pronunciation: [sɛ̃ kɑ̃tɛ̃ ɑ̃ tuʁmɔ̃]; Picard: Saint-Quentin-in-Tourmont) is a commune in the Somme department in Hauts-de-France, on the French coast, in northern France.

Fort-Mahon-Plage (French pronunciation: [fɔʁ ma.ɔ̃ plaʒ]) is a commune in the Somme department in Hauts-de-France in northern France.

Quend (French pronunciation: [kɛ̃]; West Flemish: Kent) is a commune in the Somme department in Hauts-de-France in northern France. The inhabitants are known as Quennois.

Groffliers (French pronunciation: [ɡʁɔflije]) is a commune in the Pas-de-Calais department in the Hauts-de-France region of France.

The Authie (French pronunciation: [o.ti] ; Picard: Eutie; (West Flemish: Otie)) is a river in northern France whose 108-kilometre (67 mi) course crosses the departement of the Pas-de-Calais and the Somme. Its source is near the village of Coigneux. It flows through the towns of Doullens, Auxi-le-Château, Nempont-Saint-Firmin and Nampont, finally flowing out into the Channel near Berck. Its steady flow has attracted mankind for many centuries, developing an agricultural environment that is still dominant today. The valley of the Authie, with many towns, villages, abbeys and chateaux, holds a rich architectural heritage alongside the banks of the river, while the river mouth forms a sizeable bay between Fort-Mahon-Plage and Berck, typical of Picardy estuaries. The area is home to a diverse range of flora and fauna.

Waben is a commune in the Pas-de-Calais department in the Hauts-de-France region of France 8 miles (13 km) southwest of Montreuil-sur-Mer, about a kilometre from the sea at the estuary of the Authie.

Rue (French pronunciation: [ʁy] ) is a commune in the Somme department in Hauts-de-France in northern France.

The Canton of Rue is a canton situated in the department of the Somme and in the Hauts-de-France region of northern France.

Conchil-le-Temple (French pronunciation: [kɔ̃ʃil lə tɑ̃pl]; Picard: Conchil-l'Tempe) is a commune in the Pas-de-Calais department in the Hauts-de-France region of France.

The Communauté de communes Ponthieu-Marquenterre is a communauté de communes in the Somme département and in the Hauts-de-France région of France. It was formed on 1 January 2017 by the merger of the former Communauté de communes Authie-Maye, the Communauté de communes du Canton de Nouvion and the Communauté de communes du Haut Clocher. It consists of 71 communes, and its seat is in Rue. Its area is 783.7 km2, and its population was 32,952 in 2019.

Colline-Beaumont (French pronunciation: [kɔlin bomɔ̃]) is a commune in the Pas-de-Calais department in the Hauts-de-France region of France.

The canton of Berck is a canton situated in the Pas-de-Calais département and in the Hauts-de-France region of France.