Osasuna is a professional football club based in Pamplona, Spain. Founded in 1920, the team plays its home matches at the Estadio El Sadar, which has a capacity of around 23,500 spectators. Osasuna competes in La Liga, the top tier of Spanish football, and has a strong local following. The club's name, which means "health" in the Basque language, reflects its origins in the region of Navarre. Osasuna is known for its passionate fan base and has a history of both successes and challenges in Spanish football, including reaching the finals of the Copa del Rey.