Santō (三島郡, Santō-gun) is a district located in Niigata Prefecture, Japan.
As of July 1, 2019, the district has an estimated population of 4,190 with a density of 94.4 persons per km2. The total area is 44.38 km2.
Contents
Municipalities
The district consists of only one town:
Izumozaki
History
Before the Edo Period, Santō District was part of the now-defunct Koshi District.
Recent mergers
On April 1, 2005 - The towns of Koshiji and Mishima were merged into the expanded city of Nagaoka.
On January 1, 2006 - The towns of Teradomari and Yoita, and the village of Washima were also merged into the expanded city of Nagaoka.



