Geographical location of China:

China is located in eastern and central Asia, on the west coast of the Pacific Ocean. The north and south are 5500 kilometers apart, with a latitude of 4915'; The distance between east and west is 5200 kilometers, and the span longitude is about 62. The time difference between the east and west ends is about 4 hours. With 34 provincial administrative centers and administrative units, the map of China in history is larger than that as of 20 13.

The easternmost point of the map of China is Heixiazi Island in Heilongjiang Province (the intersection of the central line of the main channel of Heilongjiang and Wusuli River) (48 27 ′ n,135 05 ′ e).

The westernmost point is in Pamir Plateau of Xinjiang, about 25 kilometers southwest of the intersection of China, Tajikistan and Kyrgyzstan, where there is a snow peak with an altitude of more than 5000 meters. （39° 15′N、73°33′E）。

The northernmost part of China lies on the central line of Heilongjiang main channel (53°N) north of Mohe River in Heilongjiang Province.

The southernmost point is Zengmu shoal in Nansha Islands (4 N).