The Alizon system was a star system near Manticore, home of the Princedom of Alizon, a member of the Manticoran Alliance.
The system was bordered by the star nation of Yorik to the galactic north, the Manticore System to the south, and the Caliphate of Zanzibar to the east.
In 1904 PD, the system was one of the newly joined areas in the Manticoran Alliance. Three battlecruiers from Admiral Tyrel's squadron at Hancock Station was assigned to the system. In 1905 PD, the system was one of the People's Republic of Haven's main targets in the opening months of the First Havenite-Manticoran War. (HH3)
Its inhabitants began constructing shipbuilding facilities which were destroyed during the Havenite Operation Icarus. (HH8)
The Anti-Slavery League's frigate Pottawatomie Creek was officially registered in the Alizon System. (CS1)
Tregarth's Alpha facilities were completely destroyed in 1920 PD by a Havenite raid. (HH11)