Hiratani 【平谷】5 The Japanese surnames etymology dictionary.
① Topography . From the back of the shrine. Kumamoto-ken Amakusa-shi In Fishi-machi tell me that it is Meiji New Last . From the Imperial gate of the gate division system that was in the Edo period. An example of the location of the gate. Kagoshima-ken Kimotsuki-gun Higashikushira-chou Shinkawa west. Kagoshima-ken Hioki-shi In Fukiage-machi Nakahara it is Miyukiya (Miyanoshiro) gate. My last name is Miyashiro. Hokkaidou Oshimashi-chou Nanae-chou In Hiroshimayama tell Hiroshima-ken 's appearance.
② Kagoshima-ken Satsuma-gun Satsuma-chou Originated from the post-Miyashiro (Miyashiro) of the appointed minor. There was Miyanoyo residence of the gate division system in the Edo period in the same place. My last name is Miyashiro.
④ Mie-ken Origin of the Ise-shi Miya (Miyaziri). A place name with a record since the Muromachi period. Mie-ken Ise-shi The shrine of the grand shrine of Ise Shrine in Toyokawa Town pronounced Miyaziri.