:* yellow - areas formerly within the district borders during the early Meiji period 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==