|Located in||Nord, France|
- source: Getty Thesaurus of Geographic Names
- source: Family History Library Catalog
- the text in this section is copied from an article in Wikipedia
Grande-Synthe is a commune in the Nord department in the Nord-Pas de Calais region in northern France.
It is the third-largest suburb of the city of Dunkerque (Dunkirk) and lies adjacent to it on the west.