Nogometni klub Čelik Zenica () is a professional football club based in Zenica, Bosnia and Herzegovina. The name Čelik means Steel in Bosnian and it symbolizes the strength and power of the club in an industrial city well-known for steel production. Throughout its history, the club has been known for the excellent support of its fans at its Bilino Polje stadium which hosts the Bosnian national team. NK Čelik is one of the most prominent and successful football teams in Bosnia and Herzegovina being one of only two Bosnian clubs to win the national championship three times in a row – from 1994 to 1997. The club also won two national cups in a row – from 1995 to 1996. During the time of the former Yugoslavia, Čelik had played 17 seasons in the Yugoslav First League. Čelik won the Mitropa Cup two times, and was joint winner of the UEFA Intertoto Cup once. In addition, Čelik is the only fan-owned football club in Bosnia & Herzegovina where club members democratically elect its leadership. Today, Čelik is active in the Second League of FBIH having previously played in the Premier League of Bosnia and Herzegovina before getting relegated in the 2019–20 Bosnian Premier League season to the First League of the Federation of Bosnia and Herzegovina. In order to stabilise the club due to financial difficulties, its General Assembly voted to continue competing in the fourth tier-League of Zenica-Doboj Canton on 13 July 2020. The club advanced from the Cantonal league to the Second league of FBiH for the 2021–22 season. History The club had been founded on 16 June 1945 by a group of World War II veterans. The name of the club had been proposed by one of the founders, Zdenko Mazanek, to symbolize the strength of the club and its link to the workers of the city's metallurgic industry. Club culture Over the years, the club developed a strong identification with its hometown, Zenica, becoming one of its symbols. The club has produced many important international players including Elvir Bolić, Mirsad Hibić and Mladen Krstajić. Grounds Čelik plays their home games at the Bilino Polje stadium which is also the biggest stadium in the city. Over the years the club had changed four different stadiums settling at their current ground in 1972. During the first few years of the club's existence, following World War II, Čelik's stadium