Northern Hideout (Earth-1529)

The Northern Hideout was one of Orochimaru's many hideouts, and one of the bigger ones in terms of size, located in the Land of Lightning. Notably, it was the hideout where Juugo was kept for years for the study of the cursed seal. After Orochimaru's death at the hands of Sasuke Uchiha, Juugo was freed from the hideout by Sasuke, who offered him to join his team.