The Tokyo International Forum is a multi-purpose exhibition center in Tokyo, Japan. The complex is generally considered to be in the Yūrakuchō business district, being adjacent to Yūrakuchō Station, but it is administratively in the Marunouchi district.
Tokyo International Forum was built on the site of the Old City Hall, the former government headquarters which was relocated to the Tokyo Metropolitan Government Building in Nishi-Shinjuku.
Opening hours depend on specific facility, please, refer to the official website for detailed information.
Wikipedia https://en.wikipedia.org/wiki/Tokyo_International_Forum
Official Website https://www.t-i-forum.co.jp/
Address 3 Chome-5-1 Marunouchi, Chiyoda, Tokyo 100-0005, Japan
Coordinates 35°40'36.837" N 139°45'48.91" E