The oldest temple in Shinagawa Ward, a Shingon Daigo-ha temple founded by Kukai around 806–810. Located along the old Tokaido highway, it houses the first of the Edo Six Jizo statues (cast 1717), which has watched over travelers for centuries. Multiple cultural properties are enshrined within, including Suigetsu Kannon, Sho Kannon, and a Tokyo-designated bronze bell. The temple grounds retain the …

Honsen-ji Temple is traditionally said to have been founded in 806 (the first year of the Daido era) by the Buddhist monk Kukai, making it the oldest temple in Shinagawa Ward. It belongs to the Shingon Daigo-ha sect and has long served as a gate temple for the Shinagawa-juku post town along the old …