Nagano Prefecture is a prefecture of Japan located in the Chubu region of the island of Honshu. The capital is the city of Nagano.
Nagano was formerly known as the province of Shinano. This province was divided among many local daimyo during the Sengoku-era.
Nagano was host to the 1998 Winter Olympics, which gained the prefecture international recognition as well as gaining the prefecture a Shinkansen line to Tokyo.