is a district located in southern Nagano Prefecture, Japan.
Population As of May 2008, the district has an estimated population of 65,359 with a density of 51.4 persons per km2. The total area is 1,270.43 km2.
Municipalities The district consists of three towns and ten villages:
Anan Achi Hiraya Matsukawa Neba Ōshika Shimojō Takagi Takamori Tenryū Toyooka Urugi Yasuoka
Notes
History
January 4, 1879 - Ina District was split off into Kamiina and Shimoina Districts during the early Meiji period establishment of the municipalities system, which initially consisted of 1 town and 31 villages. Its district headquarters was located at the village of Iida.
District Timeline July 1, 1993 - The town of Kamisato was merged into the expanded city of Iida.
Recent mergers October 1, 2005: The villages of Kami and Minamishinano were merged into the expanded city of Iida. January 1, 2006: The village of Namiai was merged into the expanded village of Achi. March 31, 2009: The village of Seinaiji was merged into the expanded village of Achi.
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