noun
Kazusa Province
Historical province in the central part of present-day Chiba Prefecture. Used in historical contexts and place names.
上総は、現在の千葉県中央部にあたる旧国名です。
Kazusa is the name of a former province corresponding to the central part of present-day Chiba Prefecture.
The name is of ancient origin, derived from the old provincial administrative divisions of Japan. The exact derivation is uncertain.