Coritiba is a professional football club based in Curitiba, the capital of the state of Paraná, Brazil. Founded in 1909, it is one of the oldest football clubs in the country. The team plays its home matches at the Estádio Couto Pereira, which has a capacity of over 40,000 spectators. The club's colors are green and white, and it is often referred to as Coxa Branca. Coritiba has a strong rivalry with Atlético Paranaense, known as the "Atletibas," which is one of the most intense rivalries in Brazilian football. The club has won several state championships and has competed in national leagues.