The Sierra Sector is a sector in the Beta Quadrant that can be found in the Alpha Centauri Sector Block.
 Systems and Other Locations
Below is a list of systems within the Sierra Sector:
- Agrama System
- Chiron System
- Rhi System
- Sienae System
- Sierra System
- Sierra Outpost II System
- Terrh System
- The mission “Patrol the Sierra Sector” asks you to visit many locations here.
- The Federation border of the neutral zone runs through this sector.