Rosenborg BK is a professional football club based in Trondheim, Norway. Founded in 1917, the club has a rich history and is one of the most successful teams in Norwegian football, having won numerous Eliteserien titles and Norwegian Cups. Their home matches are played at Lerkendal Stadion, which has a capacity of over 21,000 spectators. The team's colors are black and white, and they are often referred to as "Rosenborg." Rosenborg BK has a strong fan base and is known for its commitment to developing young talent through its academy. The club has also participated in various European competitions, showcasing Norwegian football on an international stage.