Paris Saint-Germain, Paris SG, or simply PSG, is a French professional football club based in Paris. Founded in 1970, the club has traditionally worn red and blue kits. PSG has played their home matches in the 47,929-capacity Parc des Princes in the 16th arrondissement of Paris since 1974. The club plays in the highest tier of French football, Ligue 1.
The Parisian club established itself as a major force in France, and one of the major forces of European football in the 2010s. PSG have won a total of 40 titles, 39 of them considered major trophies, making it the most successful French club in history by this measure. Paris SG is also the only club to have never been relegated from Ligue 1, the club with most consecutive seasons in the top-flight (they have played 45 seasons in Ligue 1 since 1974), one of only two French clubs to have won a major European title, the most popular football club in France, and one of the most widely supported teams in the world.
Domestically, the Parisians have won eight Ligue 1 titles, a record twelve Coupe de France, a record eight Coupe de la Ligue, and a record nine Trophée des Champions titles. In European football, they have won one UEFA Cup Winners' Cup and one UEFA Intertoto Cup. The capital club has also won one Ligue 2, regarded as a minor official title. PSG have a long-standing rivalry with Olympique de Marseille. The duo contest French football's most notorious match, known as Le Classique.
The State of Qatar, through its shareholding organization Qatar Sports Investments (QSI), has been the club's owner since 2011. The takeover made Paris Saint-Germain the richest club in France and one of the wealthiest in the world. As of the 2017–18 season, PSG have the sixth-highest revenue in the footballing world with an annual turnover of €542m according to Deloitte, and are the world's eleventh most valuable football club, worth €825m according to Forbes.