Satsuma 【薩摩】4 The Japanese surnames etymology dictionary.
① Topography . Gunma - ken Agatsuma - gun Tsumagoi - mura In Mihara the tutor tells that he owned the mansion in the lower side of the same place. There is a tale that he came from Nagano-ken Ogata-gun to Kamakura period in the same place. Kagoshima-ken Minamisatsuma-shi From Kamiyagami gate of the gate division system which was in Edo era in Koneda River field.