Paris is the capital and most populated city of France, with an estimated population of 2,148,271 residents as of 2020, in an area of 105 square kilometres (41 square miles). Since the 17th century, Paris has been one among Europe's major centres of finance, diplomacy, commerce, fashion, science and humanities. The City of Paris is the centre and seat of state of the Ile-de-France, or Paris Region, which has an estimated official 2020 population of 12,278,210, or about 18 percent of the population of France. Paris is particularly known for its museums and architectural landmarks: The Louvre was the foremost visited art museum within the world in 2019, with 9.6 million visitors. Paris received 38 million visitors in 2019, measured by hotel stays, with the most important numbers of foreign visitors coming from the US, the UK, Germany and China. It was ranked because of the second most visited travel destination within the world in 2019, after Bangkok and just before London. The football club Paris Saint-Germain and the rugby union club Stade Français are based in Paris.