In ancient times, where did Jiangnan, Jiangzuo, Jiangyou and Jiangbei refer to the Yangtze River basin?

Jiangnan has three meanings: one is Jiangnan in natural geography, that is, south of the Yangtze River; 2. Administrative geography of Jiangnan: Jiangnan Road was set up in the Tang Dynasty (now southern Jiangsu and Anhui provinces), Jiangnan East Road (now southern Jiangsu and Anhui provinces) and Jiangnan West Road (now Jiangxi province) in the Song Dynasty, Nanzhili (all over Jiangsu and Anhui provinces) in the Ming Dynasty and jiangnan province in the Qing Dynasty. The concept of Jiangnan has been changing since ancient times; 3. Cultural Jiangnan, before modern times, was basically consistent with the concept of Jiangnan Road in Shaoxing, a famous city in the south of the Yangtze River in the Tang Dynasty (18). Historically, Jiangnan is a region beautified by literati, which reflects the ancient people's yearning for a better life and is a paradise in people's minds. "Jiangnan" has always been a constantly changing and flexible regional concept, and there has never been a unified definition and standard in all the research works on "Jiangnan" today. Southern Jiangsu such as Nanjing, Suzhou, Zhenjiang, Changzhou and Wuxi, Nanchang, Jiujiang, Shangrao and Jingdezhen in the northeast of Jiangxi, Hangzhou, Jiaxing, Huzhou and Shaoxing in the north of Zhejiang, and Wuhu, Maanshan, Tongling, Chizhou (Jiuhuashan) and Huizhou in the south of Anhui are typical narrow Jiangnan. Jiangnan in a broad sense includes northern areas such as Yueyang and Changsha in Hunan, Yangzhou, Chuzhou, Nantong and Nanjing Liuhe in Jiangsu and Anhui, and parts of southern Hubei. During the Ming and Qing Dynasties, Jiangnan was mainly the former Jiangxi Province, jiangnan province (Jiangsu, Anhui) and northern Zhejiang.

Jiangbei: refers to the area north of the lower reaches of the Yangtze River. In ancient times, it was generally used to refer to Huainan Road in Tang Dynasty and Huainan Road in Song Dynasty, with a wide territory; In modern times, it refers to Jiangsu and Anhui provinces, which are located on the north bank of the Yangtze River and the south bank of the Huaihe River. "The Biography of the Three Kingdoms Wei Zhi Man Chong": "In the spring of the third year of Taihe, the descendants called Wu Dayou, who wanted to levy Jiangbei and Sun Quan wanted to go out." Li Yu: "In the second year (Gande), the citizens of Xu Zhu and Yanting households in Jiangbei were arrested and traded along the river." Wang Qingtao's "Talking about the Legacy of the urn: Biography of the Thief's Fierce Tusi": "The gang relied on its fierceness and repeatedly violated the official army. Xianfeng fled to Jiangbei in May." Tran Dang Khoa Ma Xiao's "Broken Wall" Chapter 2: "In the dark and thick Suzhou River, most of these families escaped from northern Jiangsu, and Shanghainese call it Jiangbei Shipshed."

Jiangyou: Jiangyou was another name of Jiangxi in history, but with the immigrants of Ming Dynasty, the concept of Jiangyou has spread to eastern Hunan, southeastern Hubei, southwestern Anhui, northwestern Fujian and other places, that is, where the Gan dialect is distributed.

Jiangzuo and Jiangdong, that is, the east of the Yangtze River, refer to different areas, which can refer to Nanjing or the south bank of the lower reaches of the Yangtze River below Wuhu in Anhui, that is, parts of southern Jiangsu, central Zhejiang and southern Anhui are called Jiangdong. "Historical Records of Xiang Yu": "I crossed the river with eight cadres of Jiangdong children to advance westward. Today, no one has returned, and my brothers and sisters in Jiangdong have pity on me. How can I see it! " Li Qingzhao said in a poem: "I miss Xiang Yu so far and refuse to cross Jiangdong." Battle of Red Cliffs: "I am also a father and brother, leaving Jiangdong." To know exactly what Jiang Zuo refers to, we must look at the meaning of the context. For example, Jiang Zuo Jing Jing is located in Taizhou. For example, Chen Yuanyuan, who befriended Qinhuai Bayan, was a famous person in Jiangzuo, whose name was Rugao (Rugao belonged to Taizhou at that time). There is a record in the history books that "Jiangzuo people are the leaders of money". Qian, a native of Changshu, Suzhou, was a famous writer in the early Qing Dynasty. Jiang Zuo here refers to Suzhou. In addition, there is the poem "Jin Dynasty (Western Jin Dynasty) Moved to the Left" written by Li Qing. After the Western Jin Dynasty moved its capital to Nanjing, it was called the Eastern Jin Dynasty in history. Jiang Zuo here refers to the south bank of the lower reaches of the Yangtze River, and also refers to all areas ruled by the Eastern Jin, Song, Qi, Liang and Chen Dynasties. From these examples, both sides of the lower reaches of the Yangtze River can be called Jiangzuo.