Dandong, a prefecture level city under the jurisdiction of Liaoning Province, formerly known as Anton, is located in the southeast of Liaoning, facing Xinyi Prefecture of Korea across the river in the east, facing the Yellow Sea in the south, Anshan in the west, Dalian in the southwest, Benxi in the north, with a coastline of 126 kilometers, and the terrain gradually decreasing from northeast to southwest. It belongs to a warm temperate humid monsoon climate zone, with a total area of 15200 square kilometers. The city has three municipal districts, one autonomous county, and two county-level cities under its jurisdiction; By the end of 2021, Dandong has a total population of 2.291 million.

Dandong is an important border port in Liaoning Province and a central city in Liaodong region approved by the State Council, an important port city in the coastal economic belt of Liaoning Province, the northern starting point of China's coastline, located in the center of Northeast Asia, an important intersection of the Northeast Asian economic circle and the Bohai Rim economic circle, a city along the river, coast and border with industry, commerce, ports, logistics, tourism as the main body, and a national border cooperation zone As a coastal open city, it has 10 ports of 5 types, including ports, railways, highways, pipelines and airports, and a Sino Korean border trade zone. It is a trade port city between China and North Korea and a regional circulation node city. Dandong is rich in mineral resources and geothermal resources. It is China's "Boron City" and a famous hot spring resort. It was named as "China's Hot Spring City". Dandong, known as "the largest and most beautiful border city in China", is a national health city, a national garden city, an excellent tourist city in China, a national model city for mutual support, and one of the top ten elderly care resorts in China.

In 2021, Dandong will achieve a GDP of 85.44 billion yuan, an increase of 6.3% over the previous year at comparable prices.