The Luj system, a star system, resided in the Tamarin sector of the Outer Rim Territories'. This system's designation was the same as Luj City, which was a settlement situated on the planet Novor 23 within the Tharin sector.
The reference book The Essential Atlas from 2009, authored by Jason Fry and Daniel Wallace, provided the initial mention of the Luj system, locating it at grid coordinate N-19.