The 3 arrondissements of the Hauts-de-Seine department are:[1]
- Arrondissement of Antony, (subprefecture: Antony) with 11 communes. The population of the arrondissement was 406,344 in 2021.
- Arrondissement of Boulogne-Billancourt, (subprefecture: Boulogne-Billancourt) with 8 communes. The population of the arrondissement was 317,792 in 2021.
- Arrondissement of Nanterre, (prefecture of the Hauts-de-Seine department: Nanterre) with 17 communes. The population of the arrondissement was 911,155 in 2021.