title: Santō District, Niigata
text: # Santō District, Niigata
  
  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 $km^2.$ The total area is 44.38 $km^2.$
  
  ## Municipalities
  
  The district consists of only one town:
  
  * Izumozaki
  
  ### Notes
  
  * ↑ Classified as a town.
  
  ## 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.
  
  37°31′45″N 138°42′22″E﻿ / ﻿37.5291°N 138.706°E﻿ / 37.5291; 138.706
  
  