WThe Île-de-France is the most populous of the eighteen regions of France. Centred on the capital Paris, it is located in the north-central part of the country and often called the Région Parisienne. Île-de-France is densely populated and retains a prime economic position on the national stage: though it covers only 12,012 square kilometres, about 2% of metropolitan French territory, its estimated 2020 population of 12,278,210 was nearly one-fifth of the national total; its economy accounts for nearly one-third of the French gross domestic product.
WChalifert Tunnel is a canal tunnel located in the Canal de Meaux à Chalifert in the Marne river in the French region of Île-de-France
WThe economy of Paris is based largely on services and commerce: of the 390,480 of its enterprises, 80.6 percent are engaged in commerce, transportation, and diverse services, 6.5 percent in construction, and just 3.8 percent in industry. Paris, including both the City of Paris and the Île-de-France region, is the most important center of economic activity in France, accounting for about thirty percent of the French GDP.
WÎle-de-France has no official flag and coat of arms other than using the logo of the Île-de-France government. The royal coat of arms of France, three gold Fleur-de-lis on a solid-blue background, used to serve as the coat of arms of the Province of Île-de-France before it was dissolved 1790 during the French Revolution.
WLouveciennes 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, between Versailles and Saint-Germain-en-Laye, and adjacent to Marly-le-Roi.
WThe Pays de France, also called the Parisis or Plaine de France, is a natural region located in the Île-de-France administrative region to the north of Paris, France. It is essentially a silt plain devoted to cereal crops, of which the southern part is included in the northern suburbs of Paris and greatly urbanised, and also includes Charles de Gaulle Airport.
WThe Versailles-Val-d'Oise-Yvelines Chamber of Commerce is a Chamber of Commerce of the Paris region, concerning the departments of Val-d'Oise and Yvelines.