Club Atlético Osasuna ( Spanish pronunciation: [ˈkluβ aðˈletiko osaˈsuna] , Osasuna Athletic Club ), or simply Osasuna , is a Spanish professional football club based in Pamplona , Navarre . It was founded on 24 October 1920 and plays in La Liga , the top division of Spanish football. The team's home ground is the 23,516-capacity El Sadar Stadium . [ 3 ]
