Paris is the capital and most populous city in France. Since the 17th century, it has been one of Europe’s major centres of finance, commerce, fashion, science, and the arts. The Paris Region had a GDP of €681 billion in 2016, accounting for 31 percent of the GDP of France. In 2013-14, the Region had the third-highest GDP in the world and the most significant regional GDP in the EU.
The city is a major rail, highway, and air-transport hub served by two international airports. Paris-Charles de Gaulle (the second busiest airport in Europe after London Heathrow Airport) and Paris-Orly. Opened in 1900, the city’s subway system, the Métro, serves 5.23 million passengers daily and is the second busiest metro system in Europe after Moscow Metro. The city is mainly known for its museums and architectural landmarks. The Louvre is the most visited art museum in the world in 2016, with 7.4 million visitors. It’soften referred to as The City of Light (La Ville Lumière) both because of its leading role during the Age of Enlightenment, and more literally because Paris was one of the first European cities to adopt gas street lighting In the 1860s