IUI 2018 will be held at Hitotsubashi Hall (National Center of Sciences Building) located in central Tokyo close to the Imperial Palace. Located in the central Tokyo, the hall has a very good access from three metro stations. From there, you can also walk to the National Museum of Modern Art, Tokyo and the Science and Technology Museum within ten minutes.
For more photos see http://www.hit-u.ac.jp/hall/photo_gallery/ (in Japanese)National Center of Sciences Building 2F, 2-1-2, Hitotsubashi, Chiyoda-ku, Tokyo 101-8439
If you use subway (Tokyo Metro, Toei Subway), we suggest the following stations: