Westhoek or Maritime Flanders is a region in Belgium and France and includes the following areas:Belgian Westhoek including the West Flanders arrondissements of Diksmuide, Ypres, and Veurne including the cities of Veurne, Poperinge, Wervik, Ypres, De Panne, Langemark-Poelkapelle, Diksmuide and Koekelare. However, the three Belgian c…Westhoek or Maritime Flanders is a region in Belgium and France and includes the following areas:Belgian Westhoek including the West Flanders arrondissements of Diksmuide, Ypres, and Veurne including the cities of Veurne, Poperinge, Wervik, Ypres, De Panne, Langemark-Poelkapelle, Diksmuide and Koekelare. 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. French Westhoek, roughly the arrondissement of Dunkirk, including the cities of Dunkirk, Gravelines, and Hazebrouck, itself part of a larger area known as French Flanders.