Etymology and distribution of 東邑.

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

Ibaraki-ken , Chiba-ken , Toukyou-to . 榛谷 variant of. Ibaraki-ken Bandou-shi Tell them that they are groundbreaking in lodging. Chiba-ken Noda-shi Sekijuki Sansui was in the Edo period in the Sekijuku samurai of the Clan office. 榛谷 Hangai reference.