Etymology and distribution of 鄂.

Gaku 【鄂】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Okinawa-ken , Ishikawa-ken Suzu-shi , Okayama-ken . Ishikawa-ken Suzu-shi There is distribution in Wakayama cho Bita. The nobility and singers of the Heian era had a flat-faced name. 平 Taira reference.