Chelsea F .

Chelsea Football Club is an English professional association football club based in Fulham, West London, England. They compete in the Premier League, the top tier of English football, and are one of the most successful clubs in English football history. In domestic football, Chelsea have won six top-flight league titles, eight FA Cups, five League Cups, four FA Community Shields and two Full Members' Cups. In international football, they have won two UEFA Champions Leagues, two UEFA Europa Leagues, two UEFA Cup Winners' Cups, two UEFA Super Cups, two FIFA Club World Cups and one UEFA Conference League. The club was founded in 1905 and named after neighbouring area Chelsea and play their home games at Stamford Bridge. Chelsea won their first major domestic trophy, the First Division championship, in 1955. They won their first Premier League title in the 2004–05 season. Chelsea won their first European trophy in 1971, lifting the Cup Winners' Cup, which they won again in 1998. They went on to win their first UEFA Champions League title in 2012 and repeated the feat in 2021. Chelsea have won the UEFA Europa League twice, in 2013 and 2019. After winning the UEFA Conference League in 2025, Chelsea became the first club to win all four main UEFA competitions, as well as all UEFA Men's competitions. They also won the FIFA Club World Cup in 2021 and 2025, the latter being the contest's first iteration with 32 teams. Chelsea have rivalries with fellow London teams Arsenal and Tottenham Hotspur, and also with Leeds United.