Etymology and distribution of 戸佐.

Tosa 【戸佐】^{レベル3
About 200}  The Japanese surnames etymology dictionary.

Yamanashi-ken , Kanagawa-ken , Toukyou-to . Distribution including Hanakada too. Creation . In Yamanashi-ken Kai-shi tells Mr. Hanada (Mr. Hada) inserted "medium". Yamanashi-ken Koushuu-shi It was in Warring States Period at Shioyama Uegihara. Last name is also written as "flower shape". Hanakada is old pronunciation. 羽田 Hada reference. 花形 Hanagata reference.