Chantilly is a commune in the Oise department in the valley of the Nonette in the Picardy region of northern France. Surrounded by Chantilly Forest, the town of 11,000 inhabitants falls within the metropolitan area of Paris. It lies 38.4 km (23.9 miles) north-northeast from the centre of Paris and together with six neighbouring communes forms an urban area of 36,474 inhabitants (1999 census).
Intimately tied to the House of Montmorency in the 15th to 17th centuries, the Château de Chantilly was home to the princes of Condé, cousins of the kings of France, from the 17th to the 19th centuries. It now houses the Musée Condé. Chantilly is also known for its horse racing track, the Chantilly Racecourse, where prestigious races are held for the prix du Jockey Club and the prix de Diane. Chantilly and the surrounding communities are home to the largest racehorse-training community in France.
Chantilly is also home to the Living Museum of the Horse, with stables built by the Princes of Condé. It is considered one of the more important tourist destinations in the Paris area. Chantilly gave its name to Chantilly cream and to Chantilly lace.