The People's Republic of China (PRC) shares land borders with 14 countries (tied with Russia for the most in the world): North Korea, Russia, Mongolia, Kazakhstan, Kyrgyzstan, Tajikistan, Afghanistan, Pakistan, India, Nepal, Bhutan, Myanmar, Laos, and Vietnam, and with two Special administrative regions of China, Hong Kong and Macao. The land borders, counterclockwise from northeast to southwest, are the ChinaâÂÂNorth Korea border, the eastern segment of the ChinaâÂÂRussia border, the ChinaâÂÂMongolia border, the western segment of the ChinaâÂÂRussia border, the ChinaâÂÂKazakhstan border, the ChinaâÂÂKyrgyzstan border, the ChinaâÂÂTajikistan border, the ChinaâÂÂAfghanistan border, the ChinaâÂÂPakistan border, the western segment of the ChinaâÂÂIndia border (the most contested of the Sino-Indian border dispute), the ChinaâÂÂNepal border, the central segment of the ChinaâÂÂIndia border (Sikkim), the ChinaâÂÂBhutan border, the eastern segment of the ChinaâÂÂIndia border, the ChinaâÂÂMyanmar border, the ChinaâÂÂLaos border, the ChinaâÂÂVietnam border, a internal border with Macau, a Portuguese territory until 1999, and a internal border with the special administrative region of Hong Kong, which was a British dependency before 1997.
To the west, China has maritime borders with South Korea, Japan, and contested limits with Taiwan and other countries in the South China Sea, among other territorial disputes.
At , China has the longest land borders of any country.
Below is a table of countries and territories that share a land border with China around its perimeter. In parentheses are their lengths in miles.
The region of all countries bordering China is sometimes referred to by scholars as the China Rim, or simply as China's periphery (Chinese: ä¸Âå½å¨边). The China Rim plays a significant role in competition between other countries and China, as is the case with America's China Containment Policy. Significant competition took place between America and China in the region after the middle of the 20th century. Currently, a greater level of scrutiny and competition are happening around the maritime portion of the rim (particularly Taiwan and Maritime Southeast Asia).
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Since 1689, the relevant treaties on the boundary of China are: