Apart from some in-ground/subordinate shrines this is the only Hachiman-Gu in Chuo-ku. I came across it while returning to the station after my aborted visit to Koami Jinja. I didn't know of the shrine so hadn't done any preparation.

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It is not clear when it was founded, but in 1713 the Echizen Matsudaira family of Fukui Province donated some land inside the then Tokiwabashi gate of Edo Castle to build a shrine to house the tutelary deity of the family’s Edo residence. It is said that the shrine was moved to a new location on September 27, 1775 and it took  its name from the existence  in the new site of a 300-400 year old gingko, “icho” tree, the latter has since been destroyed by fire. It is thought that the in-ground Inari Jinja predates the Hachiman-Gu. 

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The "Shinto-taikyo" at the beginning of the shrine's name inidcates that it is one of the 150 or so Shinto organisations or shrines affiliated with what is sometimes described as the "Grand Church of Shinto," an organisation established by the government in 1872 to be the head Shinto shrine: it has since undergone many changes.