Etymology and distribution of サッセン.

Sassen* 【サッセン】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Okayama-ken Okayama-shi Kita-ku. 須佐 surname. Okayama-ken Okayama-shi Kita-ku Oi is a place name with a record since the Nara period. Distributed to the same place. 須佐 Susa reference.