Jiangyin comes from the fact that it is located on the south bank of the Yangtze River. In ancient times, there was a saying that the mountains to the south and the water to the north were yang, and the mountains to the north and the water to the south were yin, so it was named Jiangyin.
Xiangyang, but Xiangyang seems to deviate from the above principles, and it is not easy to explain now.
Huaiyin is named after it is located on the south bank of the Huaihe River.
About these.