Etymology and distribution of 崩塲.

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

Aichi-ken , Kanagawa-ken , Shizuoka-ken .

① Aichi-ken Nagoya-shi Birth of Kozuka Town Nakagawa-ku. A place name with a record since the Edo period.

② Creation . In Okayama-ken tells that inside of Nakatsuka surname was changed as "small". Estimated in the Edo period. Okayama-ken Okayama-shi Kita Ward Marunouchi was in the Edo period in the Clan Okayama of the Clan office. 中塚 Nakatsuka reference.