Etymology and distribution of 偰.

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

Okayama-ken , Miyagi-ken , Hokkaidou . 坪井 There is surname. 坪井 Tsuboi reference. Fukui-ken Sakai-shi Maruoka Town Tsuboe is a place name with a record since the Heian period. Ishikawa-ken Kanazawa-shi Marunouchi was in the Edo era at the Kaga clan in the Clan office.