title: Koshi District, Niigata
text: # Koshi District, Niigata
  
  Koshi (古志郡, Koshi-gun) was a district located in Niigata Prefecture, Japan.
  
  As of 2003, the district had an estimated population of 2,035 with a density of 51.09 persons per $km^2.$ The total area is 39.83 $km^2.$
  
  ## Municipalities
  
  Prior to its dissolution, the district contained of only one village:
  
  * Yamakoshi
  
  ### Notes
  
  * ↑ Classified as a village.
  
  ## History
  
  ### Recent mergers
  
  * On April 1, 2005 - The village of Yamakoshi, along with the town of Oguni (from Kariwa District), the town of Nakanoshima (from Minamikanbara District), and the towns of Koshiji and Mishima (both from Santō District), was merged into the expanded city of Nagaoka. Therefore, Koshi District was dissolved as a result of this merger.
  