The '''Sol System''' or '''Terran System''' is the name of the Solar System in the [[Age of the Imperium]]. The system is named for its sun, and is part of the [[Segmentum Solar]]. Its planets include Holy [[Terra]] and [[Mars]].

Known [[Imperial Guard]] [[Regiment]]s based in the Sol System include the [[Palatine Sentinels]], [[Lucifer Blacks]], [[Jupiter Storms]], [[Auroran Rifles]], [[Granite Myrmidons]], [[Inferallti Hussars]], [[Orion Watch]],{{Fn|1}} and potentially the [[Terran Praefects]].