Etymology and distribution of 千井.

Chii 【千井】^{レベル3
About 70}  The Japanese surnames etymology dictionary.

Hokkaidou · Ishikawa-ken Hakui-gun Shika-machi · Kagoshima-ken Amami-shi . Estimated from the shelf-shaped land in the center. One character in the Amami archipelago of Kagoshima-ken There is a middle name in the surname. 中 Naka reference.