Chatou is a commune in the Yvelines department in the Île-de-France region in north-central France. It is located in the western suburbs of Paris . (8.9 miles) from the center. History On 31 May 1875, part of the territory of Chatou was detached and merged with a part of the territory of Le Pecq and a part of the territory of Croissy-sur-Seine to create the commune of Le Vésinet. It boasts many bourgeois mansions of every kind of architecture and owned by private individuals. It is al… (More on Chatou)