FK Borac Banja Luka is a professional football club based in Banja Luka, Bosnia and Herzegovina. Founded in 1921, the club has a rich history and is known for its passionate fan base. They compete in the Premier League of Bosnia and Herzegovina, the top tier of football in the country. The team's colors are red and white, and they play their home matches at the Gradski stadion Banja Luka, which has a capacity of around 15,000 spectators. FK Borac Banja Luka has won several national championships and cups, making it one of the most successful clubs in the region.