How is Jiangyin named?

Jiangyin is named after water. Located on the north and south sides of the landscape, it is often named after "proper name of landscape+Yin (or Yang)", and Shan Zhinan and the north of water are Yang, and vice versa. "Shan Zhinan" is the south of the mountain; "Water North" is the north of water; Shan Zhinan and North of Water are Yang; On the contrary, "the north of the mountain" and "the south of the water" are yin. Jiangyin is in the south of the Yangtze River, and the water is cloudy in the south, so the ancients called this place Jiangyin! There were countless place names in ancient China, all named after mountains and waters. The following contents should be introduced:

1, named after mountains and waters. Mainly divided into the following situations: (1) directly named after mountains, rivers and lakes, such as Wutai County, Mudanjiang City, Yishui County and Weishan County. (2) use auspicious words to name mountains and rivers. For example, Tai 'an City is named after Mount Tai, which means that the country is safe for the people. (3) Place names are composed of initials of several mountains and rivers. Before the Western Jin Dynasty, xintai city was called "Yang Dongping County". In the first year of Jin and Tai, Hou Yanghu took the initials of Xinfushan and Taishan and changed the county name to Xintai. Xiaoxiang, an ancient town named after the Five Dynasties, is located in the northwest of Yongzhou City, Hunan Province. It is named because it is located at the intersection of Xiaoxiang. (4) Named after the location of mountains and rivers: For example, Shanxi Province is named after being located in the west of Taihang Mountain, Yunnan Province is named after being located in the south of Yunling Mountain, Hubei Province is named after being located in the north of Dongting Lake, and runan county is named after being located in the south bank of Ruhe River. Located on the north and south sides of the landscape, it is often named after landscape proper nouns+Yin (or Yang): Shannan, Shuibei is Yang, and vice versa. For example, Hengyang is named after the south of Hengshan Mountain, Luoyang is named after the north of Luohe River, and Haiyang is named after the north of the Yellow Sea. Such place names include Mengyin County and Jiangyin City. In this kind of place names, there are many yang and few yin. (5) It is named after being located at the source of rivers, such as Jiyuan City, Yiyuan County and Ziyuan County. (6) Named after being located at the end of the river, such as Hankou, Haimen and Hekou Yao Autonomous County. (7) It is named after the water or the mountain, such as Linyi City, Linfen City, Linhai City, Jiangpu County, Xupu County, Huaibin County, Binhai County, Linqu County, Lin Qiong County and Lingao County. In addition, Hechuan City, formerly known as Hezhou, was renamed Hechuan County on 19 13 because it is located at the intersection of Jialing River, Fujiang River and Qujiang River. Sanshui City is named because it is located at the intersection of Xijiang River and Beijiang River, and the city is adjacent to Xijiang River, Beijiang River and Pearl River. (8) It is named after the twists and turns of mountains and rivers. Most of these place names are composed of Hequ, Hetao, Yijiawan, Miaojiaqu, Wangjiaquan, Zhujiazhuang and other landscapes or the words Wan, Qu, Tao, Yuan, Jiao and Li after their proper names, while others are directly composed of two such words, such as Yuan.