This annual event brings the Japanese community and Londoners together to enjoy Japanese food, lively music, exotic dance and much more.
The event will also reflect on the devastating Tsunami which struck Japan on 11 March.
There will be fundraisers, photographic exhibitions and many other events and activities to support survivors.
Japanese ambassador Keiichi Hayashi will formally open the day at 11am.
This year there will be live performances on the three stages, family activities, a much expanded food market and stall area, as well as an exhibition area, providing day long entertainment and interest for all the family.
There will be a wide range of performers appearing on the two festival stages.
On the Martial Arts Stage in Belvedere Road demonstrations will continue all day encompassing a broad spectrum of martial arts, including, aikido, iaido, shorinji kempo and kendo and others.
Related website: japanmatsuri.com