Steaua București is a professional football club based in Bucharest, Romania. Founded in 1947, the team is one of the most successful in Romanian football history, having won numerous national championships and domestic cups. The club's home matches are played at the Arena Națională, which has a capacity of over 55,000 spectators. The team's colors are red and blue, and they are often referred to as "the Red and Blues." Steaua București has a passionate fan base and a long-standing rivalry with Dinamo București, known as the "Eternal Derby." The club also gained international recognition by winning the European Cup in 1986.