The Ashas Ree system, a star system, existed within the Outer Rim Territories of the galaxy, specifically in the Esstran sector's Sith Worlds area.
First appearing in the 1996 Tales of the Jedi Companion roleplaying game sourcebook, the Ashas Ree system was created by George R. Strayton and released by West End Games for Star Wars: The Roleplaying Game.