is a district located in Nagano Prefecture, Japan.
As of December 1, 2005, the district has an estimated population of 16,742 with a density of 312.12 persons per km<sup>2</sup>. The total area is 53.64 km<sup>2</sup>.
Municipalities
The district consists of one town:
- Sakaki
;Notes:
History
thumb|320px|right|Map showing original extent of Hanishina District in [[Nagano Prefecture:<br /><br />* yellow - areas formerly within the district borders during the early Meiji period<br /> ]]
260px|thumb|right|Colored areas are in this district.
District Timeline
Recent mergers
- On September 1, 2003 - The town of Togura was merged with the town of Kamiyamada (from Sarashina District) and the city of Koshoku to form the new city of Chikuma.