Tucked in behind the buildings of Yasukuni Dori, Hanazono Shrine (花園神社) is an Edo period shrine that acts as protector of the area. The Tori no Ichi Festival is held at the shrine every year in November.
Location
Hanazono-jinja Shrine, 5-17-3 Shinjuku, Shinjuku-ku, Tokyo 160-0022« Google Maps »
Getting there
10 minutes from the East Exit of Shinjuku Station