Olympique de Marseille also is known as OM or simply Marseille, is a French professional football club based in Marseille in Provence-Alpes-Côte d'Azur,
Founded in 1899, the club plays in Ligue 1 and have spent most of their history in the top tier of French football.
The club has won ten official league titles (nine times in Ligue 1), ten Coupes de France, and three Coupes de la Ligue. In 1993, coach Raymond Goethals led the team to become the first and only French club to win the UEFA Champions League, defeating AC Milan 1–0 in the final. In 2010, Marseille won its first Ligue 1 title in 18 years under the managing of former club captain Didier Deschamps.
Marseille's home ground is the 67,000-capacity Stade Vélodrome in the southern part of the city, where they have played since 1937. The club has a large fan-base, having regularly averaged the highest attendance in French football. Marseille's average home gate for the 2008–09 season was 52,276, the highest in Ligue 1.
The stadium underwent renovation in 2011, going from its previous capacity of 60,031 to 42,000. Following completion in August 2014, the final capacity increased to 67,000 ahead of France's hosting of UEFA Euro 2016. In 2015, the club was ranked 23rd globally in terms of annual revenue, generating €130.5 million.
In 1997, Marseille was purchased by Franco-Swiss businessman Robert Louis-Dreyfus. Following his death in 2009, his widow Margarita became the club's majority shareholder in 2010. In 2016, American businessman Frank McCourt bought the club from her, and appointed businessman Jacques-Henri Eyraud as the club president, with Rudi Garcia appointed as the coach of the club's first team