Shibazaki 【芝崎】5 The Japanese surnames etymology dictionary.
Saitama-ken Gyouda-shi , Toyama-ken , Toukyou-to . Saitama-ken Gyouda-shi Saka's birthplace. A place name with a record since the Edo period. The place name was also written as "Suga". Toyama-ken Takaoka-shi The vicinity of Kuniyoshi (formerly Suga) was a place name with a record since the Nara period.