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That is, southern Anhui, southern Jiangsu, central Jiangsu, Zhejiang, northeastern Jiangxi and Shanghai are called Jiangdong.

Because the Yangtze River flows obliquely to the northeast in southern Anhui today, the east, west and left are determined according to this section of the river. Jiangdong refers to the area south of the Yangtze River.

During the Qin and Han Dynasties, Anhui was divided into two banks of the Yangtze River, and Jiangbei was also called Jiangxi. (During the Three Kingdoms period, some Jiangbei areas belonged to six counties in Jiangdong)

During the Tang and Song Dynasties, Jiangsu, Anhui, Zhejiang and Shanghai, south of the Yangtze River, were the road to Zhejiang, with Xin 'anjiang as the boundary, which was divided into two roads: east and west.

Jiangdong (Jiangnan East Road) in the Song Dynasty refers to southern Anhui, eastern Jiangxi and jiangning house, and Liangzhe Road in the Song Dynasty refers to southern Jiangsu, Zhejiang, southern Anhui and Shanghai.

In the Qing Dynasty, Jiangdong was also called Jiangzuo, and Jiangxi was also called Jiangyou.

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The origin of "Jiangdong"

From "Historical Records of Xiang Yu": "And 8,000 people from Jiangdong crossed Jiangxi, and no one has returned today. Even if my brothers and sisters in Jiangdong pity me, how can I tell! "

Translation: "Heaven will destroy me, why should I cross the Wujiang River?" ! Besides, eight thousand children from Jiangdong and I crossed the river to the west, and no one has come back now. Even if my friends in Jiangdong love me and make me king, how can I face them? Even if they say nothing, am I not ashamed of Xiang Yu? "

Allusion: Xiang Yu and Liu Bang fought a decisive battle in Gaixia (now southeast of Lingbi County, Anhui Province), and Liu Bang completely disintegrated the morale of the army by being besieged on all sides. Yu Ji, the concubine around him, drew his sword and killed himself, while he took the remains all the way south to the bank of the Yangtze River in Wujiang River, Anhui County today. The pursuer was approaching and the river was blocked in front of him. Only director Wujiang Pavilion tried to cross the river to escape.

The soldiers who have been with him for many years have either died in the battlefield or died by the river. Xiang Yu was ashamed of his hometown elders in Jiangdong. Why doesn't he want to cross the river alone? He just entrusted Tingchang to cross the river with his Xu, and then committed suicide by the river.

Baidu encyclopedia-Jiangdong