The Japanese surnames etymology dictionary.
Kagoshima-ken , Fukuoka-ken · Kagawa-ken . Terrain . Kagoshima-ken Kirishima-shi From the main Baba gate in the Katsushima Shimizu which was in the Edo era and the gate division system. The gate name comes from Baba which becomes a book. There is Uchibaba in the lower stake in the same place.