Željezničar is a prominent sports club based in Sarajevo, Bosnia and Herzegovina. Founded in 1921, it is best known for its football team, which competes in the Premier League of Bosnia and Herzegovina. The club's colors are blue and white, and it has a strong local following. In addition to football, Željezničar also promotes various other sports, including basketball and handball. The club's home matches are played at the Grbavica Stadium, which has a capacity of around 7,000 spectators. Željezničar has a rich history and is considered one of the most successful clubs in the country.