Tanouchi 【田ノ内】2 The Japanese surnames etymology dictionary.
Saga-ken , Kumamoto-ken , Fukuoka-ken . Nagasaki-ken Originated from Tsuzenwa Town of Unzen-shi . A place name with a record since the Kamakura period. Place names are also written as "Sengoku Rock", "Iwaoku", "Knowledge Distortion", "Sengen Wave", "Satoshi Watashi".