The Mapuzo system, situated within the Mid Rim Territories, was a star system. Kenobi's location was discovered on Mapuzo by the Galactic Empire's Inquisitorius. In pursuit of Kenobi, Darth Vader, a Sith Lord, journeyed to the planet alongside three Inquisitors: the Fifth Brother, the Third Sister, and the Fourth Sister, all as part of the search.