Borders of China
The People's Republic of China shares land borders with 14 countries : 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 China–North Korea border, the eastern segment of the China–Russia border, the China–Mongolia border, the western segment of the China–Russia border, the China–Kazakhstan border, the China–Kyrgyzstan border, the China–Tajikistan border, the China–Afghanistan border, the China–Pakistan border, the western segment of the China–India border, the China–Nepal border, the central segment of the China–India border, the China–Bhutan border, the eastern segment of the China–India border, the China–Myanmar border, the China–Laos border, the China–Vietnam 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 North 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.
Land border by polity
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.| Country | Length | |||
 North Koreacvt|1416|km|miChina RimThe region of all countries bordering China is sometimes referred to by scholars as the China Rim, or simply as China's periphery. 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.Relevant treatiesExternal link: 中俄边界谈判史Since 1689, the relevant treaties on the boundary of China are:
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