thumb|right|250px|Marker for Kisoji
is a district located in Nagano Prefecture, Japan.
As of November 1, 2005, the district has an estimated population of 34,759 with a density of 22.48 persons per km<sup>2</sup>. The total area is 1,546.26 km<sup>2</sup>.
Municipalities
The district consists of three towns and three villages:
- Agematsu
- Kiso Town
- Kiso Village
- Nagiso
- Ōkuwa
- Ōtaki
;Notes:
History
thumb|320px|right|Map showing original extent of Kiso 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.
Historically, the district was once known as until May 1, 1968.
District Timeline
- May 1, 1968 - The district was renamed to Kiso District.
Recent mergers
- February 13, 2005 - The village of Yamaguchi was merged into the expanded city of Nakatsugawa (located in Gifu Prefecture).
- April 1, 2005 - The village of Narakawa was merged into the expanded city of Shiojiri.
- November 1, 2005 - The town of Kisofukushima was merged with the villages of Mitake, Hiyoshi and Kaida to form the new town of Kiso.
Points of interest
- Nakasendō, a former trade route between Edo (modern-day Tokyo) and Kyoto.
- Tsumago-juku, a restored post town on the Nakasendō.
See also
- Kisobushi
- Kiso Valley
