Galatasaray Spor Kulübü, commonly known as Galatasaray, is a Turkish professional football club based in İstanbul, Turkey. It is the association football branch of the larger Galatasaray Sports Club, itself a part of the Galatasaray Community which includes the Galatasaray University and Galatasaray High School.
Galatasaray is the most successful football club in Turkey, having won 45 domestic trophies including a record 19 Süper Lig titles, a record 14 Turkish Cups and a record 12 Turkish Super Cups. They are one of three teams to have participated in all 55 seasons of the Turkish Süper Lig since 1959, following the dissolution of the Istanbul Football League. Internationally, Galatasaray has also won the UEFA Cup and UEFA Super Cup in 2000, becoming the first Turkish team to win a European trophy and the first team in history to become the undefeated winners of the UEFA Cup. Domestically, Galatasaray is the only football club to win the Süper Lig four times in a row (1997, 1998, 1999 and 2000). In the 1999-2000 season, the club achieved the rare feat of completing a quadruple by winning the Turkish Süper Lig, the Turkish Cup, the UEFA Cup and the TSYD Cup in a single season. It is also the only Turkish club to appear in first place on the IFFHS World Rankings in 2000.