Olympiacos Club of Fans of Piraeus ( ), known simply as Olympiacos or Olympiacos Piraeus, is a Greek professional football club based in Piraeus, Attica. Part of the major multi-sport club Olympiacos CFP (Olympiakós Sýndesmos Filáthlon Peiraiós, "Olympic Club of Fans of Piraeus"), their name was inspired from the ancient Olympic Games and along with the club's emblem, the laurel-crowned Olympic athlete, symbolize the Olympic ideals of ancient Greece. Their home ground is the Karaiskakis Stadium, a 32,115-capacity stadium in Piraeus. Founded on 10 March 1925, Olympiacos is the most successful club in Greek football history, having won 47 League titles, 28 Cups (18 Doubles) and 4 Super Cups, all records. Τotalling 79 national trophies, Olympiacos is 9th in the world in total titles won by a football club. The club's dominating success can be further evidenced by the fact that all other Greek clubs have won a combined total of 39 League titles, while Olympiacos also holds the record for the most consecutive Greek League titles won, with seven in a row in two occasions (1997–2003 and 2011–2017), breaking their own previous record of six consecutive wins in the 1950s (1954–1959), when Olympiacos was unequivocally nicknamed Thrylos. (, "The Legend"). Having won the 2014–15 League title, Olympiacos became the only football club in the world to have won a series of five or more consecutive championships for five times in their history, a record that was praised by FIFA with a congratulatory letter of its president, Sepp Blatter. They are also the only Greek club to have won five consecutive national Cups (1957–1961) as well as six League titles undefeated (1937, 1938, 1948, 1951, 1954, 1955). Olympiacos are one of only three clubs to have never been relegated from the top flight of Greek football, and by winning the 2012–13 title, their 40th in total, they added a fourth star above their crest, each one representing 10 League titles. In European competitions, Olympiacos best performances are their presence in the UEFA Champions League quarter-finals in 1998–99, losing the semi-final spot in the last minutes of their second leg match against Juventus, as well as in the UEFA Cup Winners' Cup quarter-finals in 1992–93. The Red-Whites are by far the highest ranked Greek club in the UEFA rankings, occupying the 37th place in Europe in the five-year ranking and the 30th in the ten-year ranking as of 2021, and one