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Photo: TT mk2, CC BY-SA 3.0 via Wikimedia Commons
It is listed as one of Japan's Top 100 Castles. Adapted by warlord Mōri Motonari as Mōri clan’s main castle and demolished during early Edo period after the Shimabara Rebellion (1637-1638), the site contains ruins of Mōri Clan's former mountain castle.
Yoshida-Kōriyama Castle was a Japanese castle located in Akitakata, Hiroshima Prefecture. It was also called Aki-Kōriyama Castle from its location in former Aki Province. Its ruins have been protected by the central government as a National Historic Site since 1940.
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安芸高田市歴史民俗博物館
This local museum covers the history of Aki-Takata city and its culture through historical items, with a particular focus on Yoshida-Koriyama Castle and the Mōri clan. Displays are in Japanese only. Photography is not allowed in the exhibit rooms. Gift shop sells goods and books related to the Mōri clan, as well as castle stamps on Yoshida-Koriyama Castle and adjacent castles in the city. Free-to-take maps for Yoshida-Koriyama Castle are available outside the museum, while digital maps are also available for rent (¥500).