Hatonomori Hachiman Shrine
Hatonomori Hachiman Jinja (鳩森八幡神社) is a Shinto shrine located in Sendagaya, an area to the north of Harajuku and south of Yoyogi, and is on the other side of the JR Yamanote Line from Meiji Shrine.
It is said to be founded either in the early 8th century or 860.
It's a 5-min walk from either of JR Sobu Line Sendagaya Station, Toei Oedo Line Kokuritukyogijo Station, or Tokyo Metro Fukutoshin Line Kitasando Station.
Haiden is where you offer prayers to deities enshrined in Honden behind Haiden.
Enshrined in Honden is (or are) popular god(s) of war Hachiman.
Shogi is Japanese chess. Shogido houses a large piece of Shogi.
A fuji-zuka is a mound which imitates Mt Fuji. Many fuji-zuka were created in Kanto region for the purpose of worshipping Mt Fuji. (Those who were unable to climb Mt Fuji cimbed Fuji-zuka instead.)
The fuji-zuka in this shrine was completed in 1789.
Reitaisai
The Reitaisai, or the Annual Grand Festival, of Hatonomori Hachiman Shrine is held in mid-September.
Every three years, a procession composed of eight mikoshi (potable shrines) are conducted.