Ecques

The canton of Aire-sur-la-Lys is a canton situated in the department of the Pas-de-Calais and in the Hauts-de-France region of northern France.

Heuringhem (French pronunciation: [øʁɛ̃ɡɛm]; West Flemish: Horingem) is a commune in the Pas-de-Calais department in the Hauts-de-France region of France. Heuringhem is twinned with Sandhurst, Kent.

Clarques (French pronunciation: [klaʁk]; Picard: Clarque) is a former commune in the Pas-de-Calais department in the Hauts-de-France region of France. On 1 January 2016, it was merged into the new commune Saint-Augustin. Its population was 309 in 2018.

Saint-Augustin (French pronunciation: [sɛ̃.t‿oɡystɛ̃] ) is a commune in the Pas-de-Calais department of northern France. The municipality was established on 1 January 2016 and consists of the former communes of Clarques and Rebecques.

Rebecques (French pronunciation: [ʁəbɛk]; Dutch: Roosbeek; Picard: Arbècque) is a former commune in the Pas-de-Calais department in northern France. On 1 January 2016, it was merged into the new commune Saint-Augustin.

Quiestède (West Flemish: Kierestede) is a commune in the Pas-de-Calais department in the Hauts-de-France region of France.

The former French diocese of Thérouanne (Lat. Moriniensis or Taruannensis) controlled a large part of the left bank of the river Scheldt during the Middle Ages. Territorially it was part of the county of Artois which belonged to the county of Flanders.

Blendecques (French pronunciation: [blɑ̃dɛk]; West Flemish: Blendeke) is a commune in the Pas-de-Calais department in the Hauts-de-France region in northern France.

Mametz (French pronunciation: [mame]; Picard: Mamouille) is a commune in the Pas-de-Calais department in the Hauts-de-France region of France.

Campagne-lès-Wardrecques (French pronunciation: [kɑ̃paɲ lɛ waʁdʁɛk], literally Campagne near Wardrecques) is a commune in the Pas-de-Calais department in the Hauts-de-France region of France.