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.
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.
The Outer Shrine, officially named Toyoke Grand Shrine, enshrines the deity Toyoke, the patron god of agriculture, industry, food, clothing, and shelter.
The deity of Hiyoshi Shrine, Hie Shrine, and Sanno Shrine, which have about 3,800 shrines throughout Japan, is Oyakui, also known as "Hiyoshi God" or "Sanno Gongen. The deity is also the head deity of the Matsuo faith, which has Matsuo Taisha Shrine in Kyoto as its head shrine.
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.
Suwa Shrine is the head shrine of Suwa-taisha in Nagano Prefecture, and there are approximately 5,000 Suwa shrines throughout the country, with Kenmonakata no Kami as the main deity.
In the Heian period (794-1185), the dedication of remote shrines was avoided, and "Nijusha" was established as a new ranking of shrines, mainly those close to Kyoto.51 "Ichinomiya" was established from the late Heian to Kamakura periods, and is the most prestigious shrine in each country (Ritsuryo/Kokugyo).