Niihari District, Ibaraki

Niihari District, Ibaraki

Niihari (新治郡; -gun) was a district located in Ibaraki, Japan. The district was dissolved on March 27, 2006.

The district has only one village before dissolution.

Timeline (Heisei Era, 1989-2006)

  • January 1, 1992 - The village of Chiyoda gained town status.
  • April 1, 1997 - The village of Dejima gained town status and changed the name to Kasumigaura.
  • March 28, 2005 - The towns of Chiyoda and Kasumigaura merged, forming the city of Kasumigaura.
  • October 1, 2005 - The town of Yasato merged with the old city of Ishioka, forming the new city of Ishioka.
  • February 20, 2006 - the village of Niihari merged into the city of Tsuchiura.
  • March 27, 2006 - The village of Tamari merged with the towns of Ogawa and Minori (both from Higashiibaraki District) to form the new city of Omitama. Niihari District was thereby dissolved.