Halkeginia is a continent in which the story of The Familiar of Zero takes place. It is based on 16th century Europe. There are five major sovereign states in Halkeginia—the Kingdom of Albion, the Kingdom of Gallia, the Germanian Empire, the Holy Romalian Empire, and the Kingdom of Tristain—and one nominally sovereign state—the Grand Duchy of Guldenhorf, which is under Tristanian suzerainty.

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