Ολυμπιακός, officially known as Olympiacos F.C., is a professional football club based in Piraeus, Greece. Founded in 1925, it is one of the most successful and popular clubs in Greek football history. The team plays its home matches at the Karaiskakis Stadium, which has a capacity of around 32,000 spectators. The club's colors are red and white, and its emblem features a laurel wreath. Olympiacos has won numerous Super League Greece titles and Greek Cups, establishing a strong rivalry with Panathinaikos, known as the "Derby of the Eternal Enemies." The club also competes in European tournaments, representing Greek football on the international stage.