Île-de-France (literally Island of France; see the Etymology section) is the wealthiest and most populated of the twenty-seven administrative regions of France. It consists mostly of the Paris metropolitan area. With 11.7 million inhabitants, Île-de-France is not only the most populated region of France, but also has more residents than Austria, Belgium, Finland, Greece, Portugal, Norway or Sweden, with a population comparable to that of the U.S.