The Colony of Corga is baren, having to still be under heavy construction, it composes of vasts deserts, grassy fields and Ridges that surround the entire spire of the Colony, it also shares a small amount of towns and residential work spots for construction workers who were working on the Colony at the time.
Since the war had reached Corga Colony, many of the Zeon workers and architects were evacuated to Side 3, and were replaced with battle hardened Zeon Soldiers and ground based mobile suits, while the bulk of the Principality's fleet and space bound mobile suits, attempted to face off against the Zenora Empire in space.