Who created the Han Book of Geography, and why has it been revered by all the dynasties since the Qin and Han Dynasties?

This "Book of Han - Geography" is written by Ban Gu, in those days, want to go far away from home are difficult, this Ban Gu actually nearly 80 percent of the world's geography are recorded, converged into a book of atlas coupled with the text of the description, such a thing is the equivalent of the current satellite ah, although it can not be located in real time, but this is a book of maps, how can not promote the greatness of it? The first thing you need to do is to get your hands on a map of the world.

The Han Book of Geography is the first geography book in the official history of the Han Dynasty, and it created a precedent for cataloging the geography of the time in terms of political districts. At that time, political regions were divided into districts and counties, and this book was even compiled in such a way, so people at that time could easily read it, and it was very easy and clear to read this thing, without too much specialized knowledge to read the things of that time very easily, that must have been convenient for a lot of people ah.

The author of Han Shu - Geography Zhi divided it into three parts, each of which is clearly organized. The first part of the book briefly describes the regions that have been the boundaries of successive generations before the Western Han Dynasty; the second part of the book takes the administrative regions of the Western Han Dynasty as an outline to detail the geography and geology of the Western Han Dynasty, so as to give a clear and organized picture; and the third part of the book briefly describes the history of the prosperity and decline of the eleven regions, as well as the economic geography. Such an erudite book must have been collected as a national album.

For the government of the time, the Central Plains was a vast area, but it would be sad if they didn't know what was in their own region, so this book came into being, providing a historical basis for the centralized multi-ethnic state system of the Central Plains in the Qin-Han unification, which is why it was especially respected by the Qin-Han and later dynasties as an official history and geography.