PARIS IS NOT ONLY the capital city of , it is also the largest city in the country. The census of 1999 showed that although the city itself, which covers 40.5 square mile (105 square kilometer), is relatively demographically small by world standards, having a population of about 2.15 million, the greater Paris metropolitan (aire urbaine de Paris) population is significantly larger. In 1999, it was shown to be almost 11.2 million people. In terms of its administration, the city of Paris is broken into 20 districts or arrondissements that are each governed by elected councils. Each arrondissement has its own mayor, and some local council members are also members of the Council of Paris, which serves as a municipal government and general council of the Paris département (Paris political region). Today, Paris is not only at the forefront of the French economy but also that of . With its many skyscrapers in the La Defense area, Paris has a financial core that can rival that of other European powerhouses. Much of the city’s industry is based in the service sector and many multinational companies can be found within the city. Paris has a long history—the name being derived from the Parisis peoples, a Gallic tribe who resided in the area at the time of the Roman conquest in 52 Before Common Era Upon invading France, the Romans named the Parisis settlement Lutetia, “marshy place,” although within a handful of decades the settlement had another new name, Paris. Historically, Paris has centered upon a small island within the Seine River that is known as the Île de la Cité, today the site of the Notre Dame Cathedral, while urban development first took place on the left bank (rive gauche) of the Seine, which meanders through the settlement.