Okinawa Prefecture also has the fewest number of shrines per 100,000 people, with 0.9 shrines per 100,000 people; Osaka (8.22) and Tokyo (10.68) are in second and third place, respectively.
There are various theories as to the origin of the torii, such as that the perch of a bird was placed in front of the shrine in reference to the "everlasting long-nesting bird" that appeared in the Kojiki (Records of Ancient Matters) to lure Amaterasu out of Ama-no-Omikami (Amaterasu) from the Ama-no-Iwato.
The gojintai, the central object of a shrine, is also called "yoriyoshiro," and the place or object where the deity dwells varies from shrine to shrine.
The oldest shrine in Japan is said to be the Ogami Shrine in Sakurai City, Nara Prefecture. Because Mt. Miwa itself is the deity, there is no temple, and only a hall of worship has been erected.
Meiji Jingu Shrine usually attracts the largest number of visitors for Hatsumode (New Year's visit) in Japan. The number of visitors is approximately 3.2 million on the first three days of the year.
The Tokyo Gosha are Meiji Shrine, Yasukuni Shrine, Hie Shrine, Okunitama Shrine, and Tokyo Daijingu Shrine, which are considered historically prestigious among the approximately 1,800 shrines in Tokyo.
The head shrine of Hachiman worship, of which there are said to be more than 25,000 throughout Japan, is Usa Jingu Shrine in Oita Prefecture, which was built in 725.