Lost & Found, Tokaido San-yo Shinkansen is a transit hub in Chiyoda Ku, Tokyo. 2 YouTube travel vloggers — including 瓶顆旅居日本中 — have covered it across 2 clips.
Directly opposite the Tokaido Sanyo Shinkansen exit.
“然後東海道山陽新幹線的日本橋口”
