The Sector Solar, also called Sol Sector, (pronounced SOLE) is a sector of Imperial space within the Segmentum Solar. The Sector Solar is the very heart of the Imperium of Man and the oldest sector of space within its demesne.
- Sub-Sector Solar - The sub-sector of Sector Solar known to be home to the worlds of the Sol System.
- Codex: Imperialis (2nd Edition), pp. 8, 42