In order to fight against the Yamana army invading into Kyoto, the bakufu army positioned the principal force of 5000 cavalrymen in Uchino, which was the daidairi (place of Imperial residence and government offices) of the former Heian-kyo (ancient capital).
幕府軍は京へ侵攻する山名軍を迎え撃つべく主力5000騎を旧平安京の大内裏である内野に置いた。