Tonoyama 【殿山】4 The Japanese surnames etymology dictionary.
Shimane-ken Goutsu-shi , Hyougo-ken · Aichi-ken . Ishikawa-ken Nomi-shi Originated from the vicinity of Matsukuchi-cho (formerly Hatami (Hatou)). A place name with a record since the Nara period. Tradition in Shimane-ken western part (formerly Iwami-kuni). In the same place tells that the place name was pronounced Hatasaka.