Star Wars - Dooku's Secret Hangar

Dooku’s hangar was a hangar in the N’ge’u Valley of Geonosis used by Count Dooku before the start of the Clone Wars. The hangar was located forty kilometers from the war room used during the Battle of Geonosis. It was abandoned by Dooku after the battle.

Source: https://starwars.fandom.com/wiki/Dooku%27s_hangar/Legends