Mustafar was a small planet located in the Mustafar system of the Outer Rim Territories, coreward of Rutan, between the Hydian Way and the Ninth Quadrant.

The tiny world of Mustafar was a fiery volcanic world where lava was mined like a precious natural resource. It was also the last capital of the Confederacy of Independent Systems. Around this time, it would become historically important as the site of the clash between Obi-Wan Kenobi and Anakin Skywalker, an event that shaped galactic history.