Ultras Partena is the largest hooligan firm in Juliana, comprised of supporters of NK Partena. The club and fans of Partena have a historic association with football hooliganism, ever since the 1980's. The firm was originally know as Yellow Army, however in 1998, they were renamed to Ultras Partena. The Ultras Partena consists of approximately 1,000 members, and they traditionally sit in the South Stand. The Ultras have received a very bad reputation throughout Juliana, and there have been 20 public arrests of members whilst at football matches/outside stadiums.

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