The Oberon Confederation is a Periphery nation, located on the coreward rim of the Lyran Commonwealth near the Draconis Combine and later Free Rasalhague Republic border and was thus directly in the path of the initial Clan Invasion. As a Periphery realm, it sits on the very fringe of the Inner Sphere's Hyperpulse Generator network. The only known Confederation world to feature a functional HPG was the fairly well industrialized capital world of Oberon VI, which held a class B ComStar station at least until 3045.

Alternating between obscure Periphery mini-state and outright pirate kingdom at various points in time, the Oberon Confederation never technically ceased to exist as a political entity, with the possible exception of the period spent under Clan occupation (3049-3086), after which it reformed itself following Clan Hell's Horses' abandonment of its coreward Periphery holdings.

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