The arrondissement of Dunkirk roughly corresponding to French Westhoek.
Westhoek (Dutch for “west corner”) or Maritime Flanders (French: Flandre maritime) is a region in Belgium and France and includes the following areas:
Belgian Westhoek (Dutch: Belgische Westhoek) including the West Flanders arrondissements of Diksmuide, Ypres, and Veurne including the cities of Veurne, Poperinge, Wervik, Ypres, De Panne, Langemark-Poelkapelle, and Diksmuide. However, the three Belgian coast municipalities of De Panne, Koksijde, and Nieuwpoort are frequently considered a separate region known as the Belgian or Flemish West Coast (Westkust).
French Westhoek (French: Westhoek français; Dutch: Franse Westhoek), roughly the arrondissement of Dunkirk, including the cities of Dunkirk, Gravelines, and Hazebrouck, itself part of a larger area known as French Flanders.
Outside of Dutch-language sources, Westhoek sometimes refers only to French Westhoek.