Shinano bordered on Echigo, Etchū, Hida, Kai, Kōzuke, Mikawa, Mino, Musashi, Suruga, and Tōtōmi Provinces. The ancient capital was located near modern-day Matsumoto, which became an important city of the province.
In the Sengoku Period, Shinano Province was often split among several fiefs and several other castle towns developed, including Komoro, Ina, and Ueda. Shinano was one of the major centers of Takeda Shingen's power during his wars with Uesugi Kenshin and others.
In 1871, during the Meiji period, with the abolition of the han system and the establishment of prefectures (Haihan Chiken) after the Meiji Restoration, Shinano Province was administratively separated in 1871 into Nagano and Chikuma Prefectures. These two tentative governmental and territorial units were then reconfigured together again in 1876. This became the modern Prefecture of Nagano, which remains substantially unchanged since that time.
Shinano Province contained the following districts:
- Nagano Prefecture
- Azumi District (安曇郡)
- Chiisagata District (小県郡)
- Chikuma District (筑摩郡)
- Hanishina District (埴科郡)
- Minochi District (水内郡)
- Saku District (佐久郡)
- Sarashina District (更級郡) - dissolved
- Takai District (高井郡)
- Former Suwa Province districts
- Tomono clan
- Iiyama Domain
- Susaka Domain
- Matsushiro Domain
- Ueda Domain
- Komoro Domain
- Matsumoto Domain
- Okutono Domain
- Suwa Domain
- Takatō Domain
- Ōhama Domain
- Nussbaum, Louis-Frédéric and Käthe Roth. (2005). Japan encyclopedia. Cambridge: Harvard University Press. ISBN 978-0-674-01753-5; OCLC 58053128
- Hiroaki Sato (2008). Japanese women poets: an anthology. M.E. Sharpe, Inc.
- Titsingh, Isaac. (1834). Annales des empereurs du Japon (Nihon Odai Ichiran). Paris: Royal Asiatic Society, Oriental Translation Fund of Great Britain and Ireland. OCLC 5850691
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