Etymology and distribution of 岩津.

Iwatsu 【岩津】^{レベル4
About 1,300}  The Japanese surnames etymology dictionary.

Kagoshima-ken .

① Topography . From the inner gate of the gate division system that was in the Edo era. An example of the location of the gate. Kagoshima-ken Minamisatsuma-shi Kinoshima- cho Takahashi, Kagoshima-ken Minamisatsuma-shi Konoshida Takeda, Kagoshima-ken Minamikyuushuu-shi Nakazato Furuicho. Kagoshima-ken Minamikyuushuu-shi Kawabe-cho Temple, Kagoshima-ken Minamikyuushuu-shi Kawabe-cho The inner gate mansion in Hirayama. The gate name and the mansion name are from inside.

② Kagoshima-ken Ichikikushikino-shi Originated from the inner gate of a small character on the river. There was an inner gate mansion of the gate division system in the Edo period in the same place.

Iwadzu 【岩津】^{レベル4
About 1,300}  The Japanese surnames etymology dictionary.

Okinawa-ken . Terrain . From inside of Kanehisa surname of Okinawa-ken . Okinawa-ken Shimajiri -gun Kumejima-chou There are distribution on the island of Shimajiri. 兼久 Kaneku reference.