They attacked Naosuke on the way to the castle from his residence (now the Constitution Memorial Center or "Kensei-Kinenkan") along Uchibori Street, outside the Sakuradamon Gate (now the Sakuradamon gate crossing); the persons concerned are listed below.
そして、江戸藩邸（現在憲政記念館の地）から内堀通り沿いに登城途中の直弼を江戸城外桜田門外（現在の桜田門交差点）で襲撃した（関係者一覧は下記）。