The Passage of Nilor is an area in the Milky Way galaxy that used to be under Asgard control.
History[]
In 1999, the Asgard allowed the Goa'uld access to the passage in return for the System Lords' agreement to add Earth to the Protected Planets Treaty. (SG1: "Fair Game")
With the Asgards' destruction, it is unknown who now controls the passage. (SG1: "Unending")