Grêmio is a Brazilian football club based in Porto Alegre, Rio Grande do Sul. Founded on September 15, 1903, it is one of the most successful teams in Brazil, known for its blue, black, and white colors. The club has won multiple national and international titles, including the prestigious Copa Libertadores. The team plays its home matches at the Arena do Grêmio, which has a capacity of over 55,000 spectators. Grêmio has a fierce rivalry with Internacional, another major club in Porto Alegre, and their matches are known as the "Grenal."