BASICS
What God Is Enshrined at Miwa Shrine? — Omiwa Jinja, Okuninushi's Spiritual Form, and Japan's Oldest Shrine
Omiwa Jinja in Nara, one of Japan's oldest shrines, enshrines Omiwa no Kami (the spiritual essence of Okuninushi). The mountain of Mt. Miwa itself is the deity's body — no main hall exists, only a worship hall.