Etymology and distribution of 洞.

Hora 【洞】^{レベル4
About 1,600}  The Japanese surnames etymology dictionary.

Wakayama-ken Tanabe-shi . Wakayama-ken Tanabe-shi Originated from the tail of Ayukawa's small character.

Hokora 【洞】^{レベル4
About 1,600}  The Japanese surnames etymology dictionary.

Hokkaidou , Shiga-ken , Hiroshima-ken .

① Shiga-ken Nagahama-shi Originated from the vicinity of Kotani Chino Town (formerly Wakisakaso). Place name unknown record era. A place of comparison in tradition. Hyougo-ken Sumoto-shi Oshidani is the lord of the Sumoto of the Clan Agency Azuchi Momoyama Period / Edo Period, Hyougo-ken Tatsuno-shi Tatsuno - cho Kamakazaki is the domain lord of the Clan Office, Ehime-ken Oozu-shi Ozu Ozu lord, Nagano-ken Iida-shi Otoshima Town was in the Edo period in the Edo era in the posthumous Fukuyama samurai of the Clan office, Hiroshima-ken Fukuyama-shi Marunouchi, the Shinano Iida lord of the Clan office.

② Topography . Iwate - ken Rikuzentakata - shi In Taketomachi told you to go from the side of the slope. Good neighbor . Fukuoka-ken Fukuoka-shi Nishi-ku Todechi is based.