This name was not given based on the Shinkansen plan after the war, but the place was the site where lodgings for workers engaged in the construction of the Tanna tunnel in the pre-war era of the bullet train plan.
これは戦後の新幹線計画からの地名でなく、戦前の弾丸列車計画時代に丹那トンネルの工事を行うための従業員宿舎が置かれた場所である。