Etymology and distribution of フィイルド.

Fiirudo* 【フィイルド】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Gifu-ken . 屋井 There surname. Okayama-ken Okayama-shi Kita Ward garden was in the Edo period in the Clan san of the Clan office. 屋井 Okui reference.