The Genève-Servette HC competes in a league know by what name prior to the 2017-2018 season?
National League (ice hockey) The National League (NL) is a professional ice hockey league in Switzerland. It is the top tier of the Swiss hockey league system and of the two-tier National League. Prior to the 2017–18 season, the league was officially called National League A.
1999–2000 Nationalliga A season The 1999-2000 Nationalliga A season was the 62nd season of the Nationalliga A, the top level of ice hockey in Switzerland. 10 teams participated in the league, and the ZSC Lions won the championship.