Chichibunomiya Rugby Stadium in the Aoyama district of central Tokyo is the spiritual home of Japanese rugby union and the headquarters of the Japan Rugby Football Union. Named for Prince Chichibu, the late brother of Emperor Hirohito, the venue is used mostly for rugby sevens and rugby union matches.
It will be demolished. The space will be used for a parking lot for the 2020 Summer Olympics. Meiji Jingu Stadium will be demolished and the space used to build a replacement rugby ground.
Wikipedia https://en.wikipedia.org/wiki/Chichibunomiya_Rugby_Stadium
Coordinates 35°40'21.543" N 139°43'6.167" E