page_title: Koga Castle
hierarchical_section_title: Koga Castle
caption_attribution_description: Suwakuruwa dorui, hori
context_page_description: Koga Castle was a Japanese castle located in Koga, Ibaraki Prefecture, Japan. During the Muromachi period, Koga was the seat of the Kantō kubō, under the Ashikaga clan. At the end of the Edo period, Koga Castle was the administrative center of Koga Domain, which was held by a large number of fudai daimyō clans, spending the longest time under the control of the Doi clan.
context_section_description: Koga Castle (古河城, Koga-jō) was a Japanese castle located in Koga, Ibaraki Prefecture, Japan. During the Muromachi period, Koga was the seat of the Kantō kubō, under the Ashikaga clan. At the end of the Edo period, Koga Castle was  the administrative center of Koga Domain, which was held by a large number of fudai daimyō clans, spending the longest time under the control of the Doi clan (1633-1681, 1762-1871).
caption: Remaining moat at Suwa Kuruwa
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