Mimizuka is a tomb mound that was made to bury and pay respects to severed ears and noses of dead soldiers of the Korean (Joseon) and Chinese (Ming) armies in the Bunroku-Keicho War (wars initiated by the invasion of the Korean Peninsula by Hideyoshi's army in 1592 through to 1598).
耳塚（みみづか）は、文禄・慶長の役の朝鮮、明兵の戦死者の耳、鼻を弔った塚である墓。