Rural village built around the Royal Abbey of Royaumont, Asnières entity - Royaumont - Baillon is located at the crossroads of the valley of the Oise and Ysieux. Flanked by forests of Chantilly and Carnelle in Ile-de-France, the town (one of the largest in the Val-d'Oise) extends over an area of 1407 ha. Asnieres - Royaumont - Baillon have, besides the Royaumont abbey built by Saint Louis, a remarkable historical heritage: the Saint-Rémy Asnieres (thirteenth century), the castle of the White Queen's castle Anytown (seventeenth church century), the castle of Baillon (eighteenth century), the stately hotel or Small Royaumont, the castle and the castle Cômerie Vert Galant.
Called its inhabitants and Asnièroises Asnièrois they live Asnières-sur-Oise, Baillonaises Baillonais and, if they live in the hamlet of Baillon.
