Gnomeregan is a dungeon in WoW Classic located in Dun Morogh, and the former Gnome capital city. It is a level 29-38 dungeon. According to the search results, the minimum level to clear Gnomeregan is 24. However, it is recommended to be at least level 30 if you want to clear the whole instance. The dungeon will take approximately 2 hours to complete. It is beneficial to clear for both Alliance and Horde players, and features quests for both factions. The recommended classes for Gnomeregan are Mage, Paladin, and Druid.