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  1. Koga Castle

    Travel Koga Castle

    Koga City is situated on the westernmost tip of Ibaraki Prefecture, at the confluence of Tone River in the south and Watarase River in the west. The town prospered as an important traffic point along the Nikko Highway. Koga Castle (古河城 Koga-jō) was built in the late Heian Era on the banks of the...
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