What areas do "Kanto", "Kansai" and "Guanzhong" refer to respectively?

? Kanto? East of Shanhaiguan? Kansai? Refers to the Hangu Pass or the west of Tongguan in the Han and Tang Dynasties. Guan zhong? It refers to Tongguan in the east, Sanguan in the west, Wuguan in the south and Xiaoguan in the north, which is now the central part of Shaanxi Province. Among them? Kanto? In different periods, the meaning of records is different.

During the Spring and Autumn Period and the Warring States Period, people already had certain geographical concepts. Before the Spring and Autumn Period, the whole country had not been divided into detailed regions. In the Qin dynasty, the country achieved great reunification for the first time, ending the long-term war. At this time, the Great Wall became a whole and became the dividing line between the two places. Since then, the division of national regions has been gradually refined, and the division of provinces and States has gradually become clear. Guandong Guanzhong? These statements.

Is it recorded in the Eastern Han Dynasty? Kanto? It refers to the area east of Hangu Pass, and the army once led by Cao Cao is also called Kanto Allied Forces. Here? Kanto? Refers to the area east of Hulao Pass. During the Qin and Han dynasties, the boundaries of different regions were generally defined by valleys, and the east of Hangu Pass was called Kanto. Modern times, Kanto? Representative? Shanhaiguan? The east refers to the northeast provinces. Related? Kansai? It is recorded in more detail in History of the Five Dynasties, History of the Old Five Dynasties and Records of the Five Elements. Is it mentioned in this book? Kansai Prefecture? Later, Battle of Red Cliffs also recorded Kansai, but most of them were not comprehensive enough. During the Han and Tang Dynasties, Kansai was officially described as the area west of Hangu Pass.

It is worth mentioning the Guanzhong area. Guanzhong terrain is special because it is located in? Level 4? So Guanzhong is surrounded by mountains. During the Warring States period, Guanzhong was named because of its topographical advantages. Four castles? . In addition, the Weihe River is also inserted from the central part of Guanzhong, which means that Guanzhong can also develop water transport projects. Guanzhong area is surrounded by protective barriers, with Weihe River in the middle. It can be said that Guanzhong is a treasure trove of feng shui.