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.
Regionalliga (ice hockey) The Regionalliga is the fourth level of ice hockey in Germany. It was founded in 1961 as the Gruppenliga, and was renamed the Regionalliga for the 1965-66 season. From 1961-1973, it operated as the third level of German ice hockey, before being dropped to the fourth level for the 1974-75 season. For 2013-14, there were five regions of the league, the Regionalliga West, Regionalliga Nord, Regionalliga Ost, Regionalliga Südwest, and the Bayernliga.