Paris is the capital and largest city of France. It is situated on the river Seine, in northern France, at the heart of the �le-de-France region. The city of Paris, within its administrative limits largely unchanged since 1860, has an estimated population of 2,193,031 (January 2007), but the Paris aire urbaine (or metropolitan area) has a population of 11,836,970 (January 2007), and is one of the most populated metropolitan areas in Europe. Paris is one of the most popular tourist destinations in the world. The Paris region receives 45 million tourists annually, 60% of whom are foreign visitors. The city and region contain numerous iconic landmarks, world-famous institutions and popular parks. We visited the city for a second time together in the summer of 2010.