Arda, a heavenly body, existed within the Gordian Reach area of space, which itself was situated within the Outer Rim Territories and also the New Territories. Its placement was identified as grid coordinate Q-6 on the Standard Galactic Grid.
The initial reference to Arda within the updated Star Wars canon happened on a galactic chart featured in Star Wars: The Force Awakens Beginner Game. This was a boxed game released in 2016 as part of Fantasy Flight Games' collection of Star Wars Roleplaying games.