Has a history of over 700 years, Sanja Matsuri is one of the three great Edo(Tokyo) Matsuri festivals. During the 3-day festival, all the streets around Sensoji temple will be jam packed with viewers and parade performers and that is the headlight of this festival.

Sanja Matsuri Festival in Asakusa
浅草三社祭

 May 19th(Fri) - May 21st(Sun) 2017

Location: Asakusa Sensoji Temple, Tokyo

Asakusa Shrine
http://www.asakusajinja.jp/english/

Related article on digi-joho TOKYO : Asakusa