Osasuna, based in Pamplona, Spain, is a historic soccer club with a rich history. Founded in 1920, the club has primarily competed in the top tiers of Spanish football. Osasuna's home venue is the Estadio El Sadar, which has a capacity of around 18,000 spectators. The club's nickname is "Los Rojillos," which translates to "The Reds," due to their traditional red and navy blue kit. Osasuna has had several notable accomplishments over the years, including winning the Segunda División title six times and reaching the final of the Copa del Rey in 2005 and 2006. The club has also had several successful campaigns in European competitions, reaching the semifinals of the UEFA Cup in the 2006-2007 season.