Nylus sector
From The Stargate Omnipedia
Region of space in the Milky Way Galaxy. Jasec was busy running scams out of the Nylus sector for the first three years of Vala Mal Doran's life.
KEY EPISODE
Family Ties - When trying to avoid seeing her father -- now living on Earth -- Vala informs General Landry about where Jasec was during the first three years of her life.