Where is Runan in the Tang Dynasty now?

Runan mainly refers to the south of Henan in Yuzhou. Among the nine continents, Runan lives in Yuzhou, so it is called "in heaven". It has a history of more than 2700 years since it was established in the Spring and Autumn Period and the Warring States Period. From the Qin and Han Dynasties to the Ming and Qing Dynasties, Runan has always been a county, state, army and government, and it is a gathering place extending in all directions. It has jurisdiction over 7 towns, 13 townships and 28 1 village (neighborhood) committees, with a total population of 780,000 and a total area of 1470 square kilometers. Sometimes it refers to runan county in Jiangxia County (now Jiangxia District, Wuhan City) changed by Jin Dynasty in 378. Later, after the Sui Dynasty changed runan county to Jiangxia County, the name of Jiangxia County remained unchanged until the demise of the Qing Dynasty. Historical Evolution of Runan Runan is located in Huaibei Plain with a history of nearly two thousand years. Her appellation changed frequently with the change of dynasties. Emperor gaozu set up Runan county, which was already a land and water hub running through the north and south of the Central Plains. In 3 17 AD, the Lingfu of Shangcai County moved here, which was called "Diaocheng". There is a cloud in the Water Classic Note: the river bends from east to west and is surrounded by the city on three sides. If the shape hangs down, it is called hanging city. In the 14th year of Yixi in the Eastern Jin Dynasty (AD 4 18), runan county moved here. In the Northern and Southern Dynasties, Liu set up a state, and in the later Zhou set up a general manager's office. Sui is still under the jurisdiction of Runan County, Ruyang County is located in the county seat, and Guacheng is changed to Qinzhou. Tang, "When the state was first established, Baoying changed from taboo to Cai Zhou". Song set up "Huai Kang Jun", Jin set up "Zhennan Army" and built a palace. In the 30th year of Yuan Dynasty (A.D. 1293), because the water in the upper reaches of Ruhe River was cut off and flowed into Yinghe River through Yancheng, the flood in Runan was greatly reduced and the people got some peace, so Cai Zhou was changed to Runing House, which was one of the eight provinces in Henan. Judy, Ming Yingzong, sent her four sons to Runing Mansion, which was called Zhuang Wang Worship, and passed them on to the 11th. During the Ming and Qing Dynasties, the government was abolished in the third year of the Republic of China, and Ruyang County was changed to runan county, the seat of the Commissioner's Office of the Eighth Administrative Region of Henan Province. In the early days of liberation, specialized institutions were also established. For nearly two thousand years, she has been the political, economic and cultural center of southern Henan. If the Central Plains is the birthplace of ancient culture in China, Runan is an important part of this birthplace. Her long history, splendid culture, beautiful scenery and numerous historical sites have added dazzling light to Zhongzhou! After thousands of years of vicissitudes since ancient times, Runan has been in the danger of "losing the mountain and controlling the enemy", and it is a battleground for military strategists in past dynasties. In 450 AD, the war between Liu Song and the Northern Wei Dynasty, which laid the confrontation between the Northern and Southern Dynasties, was suspended. In 3 17 AD, Li entered the dynasty and captured Wu Yuanji alive by night, ending the rebellion at the end of the Tang Dynasty. The battle between the Song and Mongolian allied forces to destroy gold in A.D. 1234 and the battle between Wang Runing's mansion in Li Zicheng in A.D. 160 1 year all took place here. The following refers to Runan, Henan Province: Runan is located in the transitional zone between the north subtropical zone and the warm temperate zone, with distinct seasons, mild climate, beautiful scenery, rich resources and superior location. It borders Beijing-Guangzhou Railway, 107 National Highway and Beijing-Zhuhai Expressway in the west, and Zhuxin (Zhumadian-Xincai) and Gong Kai (Kaifeng-Gongjiapeng) meet in the county town, forming a large "X"-shaped traffic framework, which constitutes a unique geographical advantage of connecting the north and the south and connecting the east and the west. After years of development, local railways cross the whole territory, and county and township highways crisscross and extend in all directions. All the 20 townships in the county have access to domestic and international direct dial telephone, mobile communication and national networking. The total power capacity of the county is104.7 million kilowatts, with sufficient energy. Known as the "hometown of grain, oil and rice" in southern Henan, Runan has been designated as a grain production base county, an oil production base county, a pig export base county, a high-quality wheat base county and a comprehensive agricultural development county by the state, and has successively won the titles of "National Plain Greening Advanced County", "National Top 100 Oil-producing County", "National Cultural Advanced County", "National Scientific and Technological Work Advanced County" and "National Villager Autonomy Demonstration County". Runan industry started early, with nearly 200 enterprises of various types, township enterprises14,735, and more than 2,000 main products, of which more than 20 products won provincial and ministerial quality product awards, 35 achievements won provincial and ministerial scientific and technological achievement awards, and 1 1 project won national patents. Runan's trade is active and developed, and the county's foreign trade supply reaches more than 400 million yuan. The export products mainly include more than 200 varieties of grain, food, light industry, handicrafts, textiles, machinery, local products, livestock products and vegetables, and are exported to more than 30 countries and regions such as the United States, Japan and Southeast Asia. Runan has a splendid culture, many cultural relics and more than 280 cultural sites. Natural scenery and human landscape complement each other. Approved by the State Council as an open county, it was identified as a famous historical and cultural city by the provincial government. There is the largest plain artificial reservoir in China-Suya Lake, with rippling blue waves and picturesque scenery; There is the largest temple in Asia-Nanhai Zen Temple. The temple is magnificent and the forest palace is brilliant. There is the smallest mountain in the world-Tianzhong Mountain. This mountain is not high, but it is the most iconic in the world. It is also the paleogeographic center of China, the place to check the time. It is also the birthplace of the world-famous love legend Liang Zhu story-the hometown of Liang Zhu, which is touching and has a long history; There is also the inscription "Tianzhong Mountain" by Yan Zhenqing, a great calligrapher in the Tang Dynasty.