France, Hauts de France- Nord- Dunkirk: the Town Hall with it´s Befry. Dunkirk ( French: Dunkerque, ; Dutch: Duinkerke), pronounced is a commune in the Nord department in northern France. It lies 10 kilometres (6.2 mi) from the Belgian border. The population of the city (commune) at the 2016 census was 91,412 inhabitants.Dunkirk has the third-largest harbour in France, after those of Le Havre and Marseille. As an industrial city it depends heavily on the steel, food processing, oil-refining, ship-building and chemical industries.