China has a land border of 22,800 kilometers, bordering North Korea in the east, Mongolia in the north, Russia in the northeast, Kazakhstan in the northwest, Afghanistan, Pakistan, India, Nepal and Bhutan in the west and southwest, and Myanmar, Laos and Vietnam in the south. The east and southeast are across the sea from Korea, Japan, the Philippines, Brunei, Malaysia and Indonesia.
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China is one of the countries with the largest number of land neighbors, the longest land border and the most complicated border issues in the world. Historically, western colonialists used countries around China as springboard to invade and infiltrate China.
At the end of 2008, China completed boundary demarcation with Russia and Vietnam successively, which completely solved the boundary problem between the two countries. So far, except for India and Bhutan, the land boundary problem between China and other neighboring countries has been completely solved.
The border issue was once called the source of unrest by the west. With the basic settlement of China's border issue, the border has increasingly become a new bright spot in Asia's security and development. China "fixed the border" to express its determination for peace to the world; However, the Sino-Indian border and maritime border issues will be the two major tests in the future.
Baidu Encyclopedia-People's Republic of China (PRC)