Grange was an agrarian planet located in the Rocantor sector. It was the homeworld of Galen Erso. During the Clone Wars, Grange was a strategically-important world, being well situated for hyperspace jump points to remote sectors. As such, it was besieged by the Confederacy of Independent Systems in 21 BBY.
- Catalyst: A Rogue One Novel (First appearance)
- Star Wars: Rogue One: The Ultimate Visual Guide
- Rogue One: Rebel Dossier
- Star Wars: Absolutely Everything You Need to Know, Updated and Expanded