is a district in Fukui Prefecture, Japan.
As of 2005, the district has an estimated population of 23,995 with a density of 157 persons per km<sup>2</sup>. The total area is 152.83 km<sup>2</sup>.
Municipalities
The district consists of one town:
- Echizen
History
thumb|320px|right|Map showing original extent of Nyū District in [[Fukui Prefecture:<br /><br />* yellow - areas formerly within the district borders during the early Meiji period<br /> ]]
260px|thumb|right|Colored areas indicate the borders of 3rd millennium municipalities. Numbers represent 1889 municipalities in this district.
District Timeline
Recent mergers
- On February 1, 2005 - The towns of Asahi and Ota, and the village of Miyazaki were merged into the expanded town of Echizen.
- On February 1, 2006 - The town of Shimizu and the village of Koshino, along with the town of Miyama (from Asuwa District), were merged into the expanded city of Fukui.