thumb|320px|right|Map showing original extent of Shimoniikawa District in [[Toyama Prefecture:<br /><br />* yellow - areas formerly within the district borders during the early Meiji period<br />* green - current borders<br /> ]]
260px|thumb|right|Colored areas are in this district.
is a district located in Toyama Prefecture, Japan.
As of 2003, the district has an estimated population of 49,118 with a density of 77.09 persons per km<sup>2</sup>. The total area is 637.19 km<sup>2</sup>.
Municipalities
The district consists of two towns:
- Asahi
- Nyūzen
History
District Timeline
Recent mergers
- On March 31, 2006 - The town of Unazuki was absorbed by the former city of Kurobe to form the new city of Kurobe.