Etymology and distribution of 青海川.

Oomigawa 【青海川】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

音地 Onji reference.

Oomikawa 【青海川】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Wakayama-ken , Oosaka-fu , Hiroshima-ken .

① 恩智 of interest. Ooita-ken Usuki-shi Usuki was in the Edo period in the Usuki clan in the Clan office.

② Abstract . Abbreviation for fabric. Mr. Sakagami resides in Wakayama-ken Hashimoto-shi in the Muromachi era and tells that he renamed the fabric last name and further left the "ground" of the fabric. 生地 Ikuchi reference. 坂上 Sakagami reference.

③ Topography . Fukui-ken Sakai-shi Maruoka Town Fuyuke gave the land from the castle owner who felt that the inn was hiding when the castle owner who was called Kurosaka who was located in the same place was defeated in the battle Tell them. Estimated in the Warring States Period.