is an old province in the area of Nagano Prefecture.
It was located in the Tà Âsandà  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):