Suwa Prefecture (諏方国, Suwa no kuni) is an old province in the area of Nagano Prefecture. ^[1]

It was located in the Tōsandō region of central Honshu. According to the old history book Shoku Nihongi, it was established on June 26 of 721 and abolished on March 3 of 731 (old Japanese calendar's date). Neither the location of the capital nor the exact border with Shinano is known.

Suwa Province consisted of three districts (originally two):

• Nagano Prefecture
  • Ina District (伊那郡): split to become Kamiina and Shimoina Districts
  • Suwa District (諏訪郡)

• 
  Geyser in Kamisuwa (上諏訪), Nagano Prefecture

• Lake Suwa
• Suwa taisha
• Suwa, Nagano

• Nussbaum, Louis-Frédéric and Käthe Roth. (2005). Japan encyclopedia. Cambridge: Harvard University Press. ISBN  978-0-674-01753-5; OCLC 58053128

Media related to Suwa Province at Wikimedia Commons

• Murdoch's map of provinces, 1903