Etymology and distribution of 塩竃.

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

Kagawa-ken , Hyougo-ken · Yamaguchi-ken Houfu-shi . Terrain . A variant of 杉峰 . In Yamaguchi - ken Houfu - shi Taipei tell them that they changed their name from Nakai surname. Estimated in the Edo period. 中井 Nakai reference.