China, (People's Republic of China), is situated in eastern Asia. It is bounded by the Pacific Ocean in the east and has an area of 9.6 million square kilometers. It is the third largest country in the world, next to Canada and Russia.

China's borders begin about midstream along the Heilong River north of Mohe (53 degrees and 31 minutes north latitude) to the southernmost island Zengmu'ansha in the South China Sea (4 degrees ), about 5,500 kilometers (more than 49 degrees latitude) apart ,from the confluence of the Heilong and Wusuli rivers (135 degrees and 5 minutes east longitude) in the east; to the Pamirs (73 degrees and 40 minutes east longitude) in the west, about 5,000 kilometers (more than 60 degrees longitude) apart.

The border stretches over 22,800 kilometers. It reaches west to South Korea and south to Mongolia, southwest to Russia and southeast to Kazakhstan, Krygyzstan, Tajikistan. China also borders Afghanistan, Pakistan, India, Nepal and Bhutan in west and northwest and Burma, Laos, Vietnam in the south.