Which Chinese territory is the place called "Jiandao" in South Korea?

The place called "Jiandao" in South Korea is Yanbian Prefecture in Jilin Province, China.

Jiandao is the Koreans’ unilateral and unauthorized name for China’s Yanbian territory north of the Tumen River and south of the Hailan River, including the four counties and cities of Yanji, Wangqing, Helong and Hunchun. In China, it has The term "Jiandao" is not used. The puppet Manchukuo supported by Japanese imperialism once established Jiandao Province in this area, with the provincial capital being Longjing. The so-called Jiandao has been China's inherent territory since ancient times and is now part of the Yanbian Korean Autonomous Prefecture in Jilin Province, China.

At the end of the Qing Dynasty, South Korea and Japan unilaterally provoked territorial sovereignty disputes. On September 4, 1909, representatives of China and Japan signed the "Tumen River Sino-Korea Boundary Agreement" in Beijing. South Korea unilaterally called it "Jiandao" Agreement", confirming that Jiandao is Chinese territory. Currently, governments of various countries, including North Korea and South Korea, recognize that Jiandao is Chinese territory. Extended information

In the 1860s and 1870s, China's Qing government relaxed its border restrictions on North Korea. As a result, a large number of North Korean civilians crossed the Tumen River and came to explore the wastelands of Northeast China. The Kingdom of Korea initially asked the Qing government to expel these people back to Korea, but soon claimed that these people had only crossed the Doman River (referring to today's Tumen River) and not crossed the Tumen River (referring to today's Tumen River), the boundary river between China and North Korea. Hailan River in China). This is the source of the historical "Jiandao" dispute.

Both North and South Korea recognize that Jiandao is Chinese territory, but some South Korean people and social groups believe that Jiandao should be South Korean territory. They expanded Jiandao into a large area of ??territory in Northeast China adjacent to North Korea and the coastal area of ??Russia's Far East, dividing it into three parts: Beijian Island, Xijian Island and Dongjian Island, and designated September 4th every year as Jiandao Day. , and plans to launch an action on September 4, 2009, to commemorate the "100th anniversary of Jiandao's occupation by China."

The "Jiandao" issue is likely to become a time bomb in China-South Korea relations.

Reference material Baidu Encyclopedia-Jiandao