行政区划是一个国家行政管控各个地域的区域组织系统。行政区划变化,主要表现在对前代旧制的沿袭和依据当代需要的变革。中国古代行政区划沿革经历了:郡县制、州制、道(路)制、省制。我们今天行政区划就是中国古代行政区划的延续。 Administrative division is a regional administrative system in various regions. The change of administrative divisions is mainly manifested in the follow-up to the old system of the previous generation and the change based on the contemporary needs. The evolution of the ancient Chinese administrative division experienced: county system, state system, Road (Road) system, the provincial system. Our administrative division today is a continuation of the ancient Chinese administrative division.