Shimōsa was part of a larger territory known as Fusa Province (総国 or 捄国, Fusa-no-kuni). Fusa which was divided into Kazusa and Shimōsa during the reign of Emperor Kōtoku (645-654).
In the Meiji period, the provinces of Japan were converted into prefectures. The maps of Japan and Shimōsa Province were reformed in the 1870s.[2]
Shrines and Temples
Katori jinja was the chief Shinto shrine (ichinomiya) of Shimōsa.
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