Borac Banja Luka is a professional soccer club based in Banja Luka, Bosnia and Herzegovina. The club was founded in 1926 and has a rich history in Bosnian football. Borac Banja Luka has had success in both domestic and international competitions. They have won the Bosnian Premier League on two occasions, in 1978 and 2011, and have also lifted the Bosnian Cup three times. The club's home venue is the Banja Luka City Stadium, which has a seating capacity of around 10,030 spectators. Borac Banja Luka is commonly known as "Crveno-plavi" (Red-Blues) due to their traditional red and blue team colors. The club has a passionate fan base and enjoys a strong rivalry with FK Sarajevo.