Fotbal Club Universitatea Cluj, commonly known as Universitatea Cluj or simply as U Cluj, is a Romanian professional football club based in the city of Cluj-Napoca, Cluj County, that competes in the Liga I, the first tier of the Romanian league system. The team traditionally plays in white and black kits, although variations of red, maroon and gold have been used in the past. Its home ground is Cluj Arena, which was opened in 2011 and can host around 30,000 spectators.