Based in Serbia's third-largest city, Radnicki Nis is a historic club competing in the Serbian Mozzart Bet Superliga. The full name is Fudbalski klub Radnicki Nis, and their home is the Čair Stadium. Founded in 1923, the club shares its foundational year and workers' ("Radnicki") identity with its namesake in Kragujevac, representing the city's industrial heritage. The traditional colors are red and blue. Radnicki Nis enjoyed its golden era in the late 1970s and early 1980s, famously winning the Yugoslav Cup in 1979 and regularly competing in European competitions, with a memorable UEFA Cup run. This period established them as a force in Yugoslav football. In recent seasons, the club has navigated the challenges of the modern Superliga, often fighting to maintain its top-flight status and rekindle past glories. The team's identity is built on passion and a never-say-die attitude, reflective of its loyal fan base. The supporters, known for their fervent support, pack the Čair Stadium, creating an intimidating and electrifying matchday experience that is central to the club's culture.