Chantilly is a commune in the Oise department in the Valley of the Nonette in the Hauts-de-France region of Northern France. Surrounded by Chantilly Forest, the town of 10,863 inhabitants (2017) falls within the metropolitan area of Paris. It lies 38.4 km north-northeast of the centre of Paris and together with six neighbouring communes forms an urban area of 37,254 inhabitants (2018).

The Château de Chantilly is a historic French château located in the town of Chantilly, Oise, about 50 kilometres north of Paris. The site comprises two attached buildings: the Petit Château, built around 1560 for Anne de Montmorency, and the Grand Château, which was destroyed during the French Revolution and rebuilt in the 1870s. The château is owned by the Institut de France, which received it from Henri d'Orléans, Duke of Aumale.