Préfecture (capital): Cergy[?]
Sous-préfectures: Argenteuil[?], Montmorency[?] and Pontoise[?].
List of Communes of the Val-d'Oise département of France
... - Wikipedia <<Up Contents Mayenne Mayenne is a French département, number 53, named after the Mayenne River[?]. Préfecture (capital): ...