In kojiki, there is a description "the capital is Unebi no Kashihara no miya," while in "Manyoshu" (Collection of Ten Thousand Leaves), there is a description "the capital is Kashihara no Unebi no miya."
『古事記』に「畝火之白檮原宮（うねびのかしはらのみや）」、『万葉集』に「可之波良能宇禰備乃宮（かしはらのうねびのみや）」とある。