Saint-Cloud is a commune in the western suburbs of Paris, France, 9.6 kilometres from the centre of Paris. Like other communes of Hauts-de-Seine such as Marnes-la-Coquette, Neuilly-sur-Seine and Vaucresson, Saint-Cloud is one of France's wealthiest towns, with the second-highest average household income of communities with 10,000 to 50,000 households. Saint-Cloud is home to the International Bureau of Weights and Measures, located in the Parc de Saint-Cloud's Pavillon de Breteuil.