the abolition of the han system, eight prefectures were formed in Omi. They were unified into Shiga Prefecture in September 1872. "Shiga Prefecture" was named after "Shiga District" because Otsu belonged to the district until 1898. From August 1876 to February 1881, southern Fukui Prefecture had been incorporated into Shiga Prefecture.

In 2015, Shiga Governor Taizo Mikazuki conducted a survey asking