Etymology and distribution of 沢沼.

Sawanuma 【沢沼】^{レベル3
About 60}  The Japanese surnames etymology dictionary.

Kagoshima-ken .

① Kagoshima-ken Kanoya-shi Nuri Kusari- cho is based.

② Kagoshima-ken Satsumasendai-shi Originated from Junpo Kemuri, a small character in Satomachi-ri. In Kagoshima-ken Satsumasendai-shi it says that it was written as "Sureura". Estimated in the Edo period.