Olympiacos Football Club, also known simply as Olympiacos, Olympiacos Piraeus or with its full name as Olympiacos C.F.P., is a Greek professional football club based in Piraeus. Part of the major multi-sport club Olympiacos CFP, 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 45 League titles, 27 Cups and 4 Super Cups, all records. Τotalling 76 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, breaking their own previous record of six consecutive wins in the 1950s, when Olympiacos was unequivocally nicknamed Thrylos.