FK Željezničar Sarajevo is one of the most iconic and popular football clubs in Bosnia and Herzegovina, based in the capital city of Sarajevo. They are a permanent fixture in the Bosnian Premier League and play at the legendary Grbavica Stadium. Founded in 1921 by railway workers, hence the name "Željezničar" meaning "The Railwaymen," the club's colors are blue and white. The club's golden era came in the former Yugoslav First League, where they famously won the championship in 1972, breaking the dominance of Belgrade and Zagreb clubs. In independent Bosnia, they have been a dominant force, winning multiple league titles and cups. The modern era sees "Željo" as perennial title contenders, boasting a passionate fan base known as "The Blue Boys," who create one of the most intense atmospheres in the Balkans. FK Željezničar is more than a club; it is a symbol of Sarajevo's identity and resilience.