Hauts-de-France (French metropolitan region)ISO 3166-2 code: FR-HDFSubdivisionsMetropolitan departement AisneNordOisePas-de-CalaisSomme Child topics: Aisne (French metropolitan department)Nord (French metropolitan department)Oise (French metropolitan department)Pas-de-Calais (French metropolitan department)Somme (French metropolitan department) Parent topics: France