Arrondissements of the Seine-Maritime department

The 3 arrondissements of the Seine-Maritime department are:

  1. Arrondissement of Dieppe, (subprefecture: Dieppe) with 343 communes. The population of the arrondissement was 232,559 in 2021.
  2. Arrondissement of Le Havre, (subprefecture: Le Havre) with 149 communes. The population of the arrondissement was 383,996 in 2021.
  3. Arrondissement of Rouen, (prefecture of the Seine-Maritime department: Rouen) with 216 communes. The population of the arrondissement was 639,363 in 2021.