Cymoon existed as a celestial body within the Cymoon system, found inside the Corellian Industrial Cluster of the Expansion Region. Notably, Cymoon 1, the primary moon orbiting Cymoon, served as a significant [factory](/article/factory] planet under the control of the Galactic Empire.
- The guidebook "Star Wars: Build the Millennium Falcon 78" (Guide to the Galaxy: Cymoon 1 — Factory Moon) is where it was initially referenced.
- Star Wars Galaxy Map
- SWCA 2022: 7 Things We Learned from the Lucasfilm Publishing Behind the Page Panel on StarWars.com (backup link)