Etymology and distribution of 片丸.

Katamaru 【片丸】^{レベル3
About 50}  The Japanese surnames etymology dictionary.

Ibaraki-ken , Saitama-ken , Toukyou-to .

① Originated from Ibaraki-ken Hitachioomiya-shi Noguchi - ena (formerly Kawabe (Kawanobe)). A place name with a record in the Heian period. Tell him that Mr. Fujiwara resided in the Heian era and called Okawa Kawabe. 藤原 Fujiwara reference.

② Oosaka-fu Minamikawachi-gun Chihayaakasaka-mura Originated Kawano side (Kawano noba). A place name with a record since the Edo period. The place name was also written as "Kawabe", "Kawano" and "Kono Edge".