3F, 4F, MITSUI & CO. Building,
2-1, Otemachi 1-chome, Chiyoda-ku, Tokyo
100-0004, Japan.

■Directly connected to Otemachi Station on the Tokyo Metro Chiyoda Line, Marunouchi Line, Hanzomon Line, Tozai Line, and Toei Subway Mita Line.
■5-minute walk from Takebashi Station on the Tokyo Metro Tozai Line.
■14-minute walk from Tokyo Station(from the Marunouchi Central Gate) on JR Line.
■12-minute walk from Kanda Station(from the South exit) on JR Line.
※The time required changes depending on the time zone.

Please click below to see more details of other access.

Otemachi One Web site Google Maps

How to Get to the Venue

Please use C4 or C5 exit of subway, and you can enter the building directly in the basement. If you use C2a exit of subway, go aboveground and follow the sidewalk on your left, then you will find the Otemachi One's shared entrance. Please enter and go up to the 3rd or the 4th floor by an elevator or escalators.


Loading/Unloading Area.

Please use the loading area on the 2nd basement. A loading vehicle needs to submit your application to the building's logistics center and get a permission in advance.
Parking for purposes other than loading is strictly prohibited.
On-street parking, loading from the 1st floor or other entrances are strictly prohibited.
Note that the 3rd basement can't be used for loading. This floor is only for reserved parking and pay parking.

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Contact & Booking

If you have any questions, please feel free to contact us by phone or through an inquiry form below.

Hours: Weekdays 9 a.m. – 5 p.m. +81-3-5220-6906 Inquiry Form