隋唐所设置的河东郡、河东道范围涵盖较广，包括了汾水流域乃至更北部的云代地区，而隋以前的河东郡以蒲州、绛州为核心，也是本文所研究的河东地域范围。
The Hedong County and Hedong Road covered a wide area , including the Fen River and even more northern part of Yun-Dai region , whereas Hedong County mainly covered Pu County and Jiang County , which is included in this paper .
河东郡