Athletik SK

Athletik Sportklub, commonly referred to as Athletik SK or simply Athletik, was a Slovenian football club from Celje. The club was founded in 1906 by the Germans of Celje. It was also referred to as Cillier Sportverein in the first part of the 1920 season.

Austrian striker Karl Dürschmied was in 1921 holding a post of player-manager at the club, and he accepted playing for the team of the Ljubljana Football Subassociation in a friendly exhibition game against France national football team, a game often considered as the first ever game of the Slovenian national team.

Honours

 * Ljubljana Subassociation League
 * Runners-up (1): 1920–21


 * Ljubljana Subassociation Cup
 * Winners (1): 1930
 * Runners-up (1): 1927