Paris (UK: /ˈpærɪs/ PARR-iss; US: /ˈpɛərɪs/ PAIR-iss; French: [paʁi]) is the capital and most populous city of France. Situated on the Seine River, in the north of the country, it is in the centre of the Île-de-France region, also known as the région parisienne, 'Paris Region'. The City of Paris has an area of 105 km² (41 mi²) and a population of 2,241,346 (2014 estimate) within its administrative borders essentially unchanged since 1860. Since the 19th century, the built-up area of Paris has grown largely beyond its administrative borders: together with its suburbs, the whole agglomeration has a population of 10,550,350 (Jan. 2012 census), or 16.2% of the population of France. The administrative Paris Region covers 12,012 km² (4,638 mi²), and has its own regional council and president. It had a population of 12,005,077 as of January 2014 estimates.Paris was founded in the 3rd century BC by a Celtic people called the Parisii, who gave the city its name. By the 12th century, Paris was the largest city in the western world, a prosperous trading centre, and the home of the University of Paris, one of the first in Europe. In the 18th century, it was the centre stage for the French Revolution, and became an important centre of finance, commerce, fashion, science, and the arts, a position it still retains today.The Paris Region had a GDP of €624 billion (US $687 billion) in 2012, accounting for 30.0 percent of the GDP of France, and ranking it as one of the wealthiest five regions in Europe; it is the banking and financial centre of France, and contains the headquarters of 29 of the 31 companies in France ranked in the 2015 Fortune Global 500.Paris is the home of the most visited art museum in the world, the Louvre, as well as the Musée d'Orsay, noted for its collection of French Impressionist art, and the Musée National d'Art Moderne, a museum of modern and contemporary art. The notable architectural landmarks of Paris include Notre Dame Cathedral (12th century); the Sainte-Chapelle (13th century); the Eiffel Tower (1889); and the Basilica of Sacré-Cœur on Montmartre (1914). In 2014 Paris received 22.4 million visitors, making it one of the world's top tourist destinations. Paris is also known for its fashion, particularly the twice-yearly Paris Fashion Week, and for its haute cuisine, and three-star restaurants. Most of France's major universities and grandes écoles are located in Paris, as are France's major newspapers, including Le Monde, Le Figaro, and Libération.Paris is home to the association football club Paris Saint-Germain and the rugby union club Stade Français. The 80,000-seat Stade de France, built for the 1998 FIFA World Cup, is located just north of Paris in the commune of Saint-Denis. Paris hosts the annual French Open Grand Slam tennis tournament on the red clay of Roland Garros. Paris played host to the 1900 and 1924 Summer Olympics, the 1938 and 1998 FIFA World Cups, and the 2007 Rugby World Cup.The city is a major rail, highway, and air-transport hub, served by the two international airports Paris-Charles de Gaulle and Paris-Orly. Opened in 1900, the city's subway system, the Paris Métro, serves 4.5 million passengers daily. Paris is the hub of the national road network, and is surrounded by three orbital roads: the Périphérique, the A86 motorway, and the Francilienne motorway in the outer suburbs. INSEE local statistics, including Bois de Boulogne and Bois de Vincennes. a b INSEE. 'Séries historiques des résultats du recensement - Unité urbaine de Paris (00851)' (in French). Retrieved 2015-11-21. a b INSEE. 'Séries historiques des résultats du recensement - Département de Paris (75)' (in French). Retrieved 2015-11-21. 'Évolution de la population au 1er janvier 2014'. INSEE. Retrieved 4 December 2015. INSEE. 'Séries historiques des résultats du recensement - France' (in French). Retrieved 2015-11-21. INSEE. 'Estimation de population au 1er janvier, par région, sexe et grande classe d'âge – Année 2014' (in French). Retrieved 29 March 2015. As a major crossroads of civilization, Paris has been represented 22 times in World's Fairs and Expositions since 1798 'Busiest Subways'. About.com (education). Retrieved 30 August 2015.