Dukedom of Gaien

The Dukedom of Gaien (ガイエン公国, Gaien Kōkoku) is a nation that forms part of the plot and back story for Suikoden IV and is mentioned in Suikoden Tactics.

Information
The Dukedom of Gaien is a huge island country located in the south-west Island Nations. The country has a long history, especially notable is its many repeated conflicts with the north-eastern Kooluk Empire. Middleport was originally a Gaien territory and there was much bitterness from the nation over its past occupation by Kooluk.

The Gaien colony of Razril was once home to the Gaien Marine Knights. That colony would become independent following the Island Liberation War.