Illodia, the central world of the Illodia sector, served as the heart of Illodian civilization, a Human culture. The Illodians established settlements on twenty worlds within the confines of the Illodia sector.
During the era of the New Order, the Galactic Empire seized control of Illodia. In an attempt to dismantle the planet's governing elite, the Empire imposed substantial taxes, a move resisted by the local government.
On Coruscant, the Beruss family's estate, Exmoor, featured the towering Illodia Tower and a man-made lake populated with fish brought from Illodia.