The meaning of the tama gravel on the approach to shrines is that "tama" is the same as "tama" in the word "mitama," meaning beautiful, and that it is spread to keep the sacred place clean.
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.
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 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.
Dendenmangu Shrine at Horinji Temple in Arashiyama, Kyoto, enshrines Denden Myojin, the god of electricity and radio waves, and is visited by people in the TV and IT industries.
Inari Shrine, Hachiman Shrine, and Tenmangu Shrine (Tenjin Shrine) are the three major Shinto shrines in Japan that have a particularly large number of affiliated shrines.
The most famous of these is the "three sacred objects" that Ninigi no Mikoto is said to have received from Amaterasu at the time of his descent from heaven in the "Chronicles of Japan.
The shrine grounds generally consist of a torii gate as the entrance to the shrine, a hand-watering basin, guardian dogs, a hall of worship, a main hall of worship, and regent shrines.
The entire 233-meter-high Mount Inari is the object of worship at Fushimi Inari Taisha, and Sei Shonagon wrote about his pilgrimage to the mountain in his "Pillow Book.
Ise Jingu is the collective name for 125 shrines, centering on the Inner and Outer Shrines, and consisting of 14 annexes of the two shrines, as well as regent shrines, subordinate shrines, and shrines under jurisdiction.
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.