 The province of Île-de-France encompasses the north-central territories of Val-d’Oise, Seine-et-Marne, Seine-Saint-Denis, Ville-de-Paris (Paris), Hauts-de-Seine, Val-de-Marne, Essonne and Yvelines.Some parts of the historic province are now incorporated into the present-day region of Picardy, while other parts of the present-day "région Île-de-France" are taken from the historic province of Champagne.See French history.