Dukedom of Gaien

The Dukedom of Gaien(ガイエン公国, Gaien Kōkoku)

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The Dukedom of Gaien is a huge island country located in the southwest Island Nations. Gaien holds a long history.

The Gaien colony of Razril was once home to the Gaien Marine Knights and frequently skirmished with the Kooluk Empire.