Kazusa Kokufu

...former name of the province. Part of present-day Chiba Prefecture, occupying the northern part of the Boso Peninsula.
[Ancient times]
A large province belonging to the Tokaido (Engishiki). It was originally called Fusa (General), and with the establishment of ritsuryo provinces in the second half of the 7th century, Kazusa Province and Shimousa Province were established. According to the Kuni no Miyatsuko Honki, during the reign of Emperor Seimu, the kuni no Miyatsuko of Sue, Makuta, Kamitsunakami, Ijin, Musa, Kukuma, and Awa were established in the Fusa region, and during the reign of Emperor Ojin, the kuni no Miyatsuko of Inba and Shimotsuunakami were established.

*Some of the terminology used to refer to "Kazusa Kokufu" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…旧国名。現在の千葉県の一部で，房総半島の北部を占める。
【古代】
　東海道に属する大国(《延喜式》)。古くは〈ふさ(総)〉といい，7世紀後半の令制国の建置にともなって，上総国と下総国が成立した。〈ふさ〉の地域は，《国造本紀》によれば，成務朝に須恵（すえ），馬来田（うまくた），上海上（かみつうなかみ），伊甚（いしみ），武社（むさ），菊麻（くくま），阿波の国造が，応神朝に印波，下海上（しもつうなかみ）の国造が定まったと伝える。…

※「上総国府」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報