Sonic's dimension is a location that appears in the Sonic the Hedgehog comic series and its spin-offs published by IDW Publishing. It is the main universe which Sonic is from, and is home to the planet from which he hails.
Most of Sonic's dimension remains largely unknown. Its most prominent location is the home planet of Sonic. Its universe is also home to many different lifeforms, such as anthropomorphic animals, Chao, Wisps, Black Arms and Zeti.