1. Xinjiang 1633280

2. Tibet 1204501

3. Inner Mongolia 1145156

4. Qinghai 715587

5. Sichuan 484310

6. Heilongjiang 450076

7. Gansu 404955

8. Yunnan 383978

9. Guangxi 236811

10. Hunan 212418

11. Shaanxi 205900

12. Jilin 190541

13. Hebei 187045

14. Hubei 186163

15. Guangdong 177084

16. Guizhou 176252

17. Jiangxi 167302

18. Henan 165600

19. Shanxi 156381

20. Shandong 153422

21. Liaoning 145260

22. Anhui 140397

23. Fujian 121894

24. Zhejiang 102045

25. Jiangsu 100952

26. Chongqing 82539

27. Ningxia 51853

28. Taiwan 36136

29. Hainan 33979

30. Beijing 16370

31. Tianjin 11606

32. Shanghai 6306

33. Hong Kong 1101

34. Macau 27

Note: The above units are square kilometers

1. Xinjiang is located between 73 ° 40 ′~ 96 ° 18 ′ east longitude and 34 ° 25 ′~ 48 ° 10 ′ north latitude. Xinjiang is the largest provincial administrative region in China by land area. The total area of Xinjiang accounts for one-sixth of China’s land area (1.66 million square kilometers), and the length of the border line accounts for one-quarter (more than 5,000 kilometers). Its area is more than eight times that of Jiangsu Province and Zhejiang Province combined. 40,000 square kilometers. Among them, Ruoqiang County in Bayingolin Mongol Autonomous Prefecture is the largest county in China.

2. The Tibet Autonomous Region is located in the southwest of the People’s Republic of China, spanning between 26 ° 50~ 36 ° 53 North Latitude and 78 ° 25~ 99 ° 06 East Longitude. It covers an area of more than 1.22 million square kilometers, accounting for about 1/8 of China’s total land area. Among the provinces and regions in China, it is second only to Xinjiang Uygur Autonomous Region and ranks second, equivalent to the combined area of the United Kingdom, France, Germany, the Netherlands and Luxembourg. The North Face is adjacent to Xinjiang Uygur Autonomous Region and Qinghai Province, and borders Yunnan Province and Sichuan Province to the east and southeast. The south and west are adjacent to Myanmar, India, Bhutan, Nepal and Kashmir from east to west. The border is about 3842 kilometers long.

3. Inner Mongolia Autonomous Region is located in the northern frontier of the People’s Republic of China, extending diagonally from the northeast to the southwest, in a narrow and elongated shape. It starts from 126 ° 04 ′ east longitude in the east and 97 ° 12 ′ east longitude in the west, spans 28 ° 52 ′ longitude, and the straight line distance between east and west is more than 2400 kilometers; from 37 ° 24 ′ north latitude in the south, to 53 ° 23 ′ north latitude, and occupies a vertical latitude of 15 ° 59 ′, with a straight line distance of 1700 kilometers; the total area of the region is 118. 30,000 square kilometers, accounting for 12.3% of China’s land area. It is the third largest province in China. The east, south and west are adjacent to 8 provinces and regions of Heilongjiang, Jilin, Liaoning, Hebei, Shanxi, Shaanxi, Ningxia and Gansu in turn. It spans the three norths (northeast, north and northwest) and is close to Beijing and Tianjin. The north is bordered by Mongolia and Russia. It has two important ports, Erenhot and Manzhouli. The border is 4,200 kilometers long.

4. Qinghai is located in western China and occupies the northeastern part of the Qinghai-Tibet Plateau, the roof of the world. It is named after the largest inland saltwater lake in China, Qinghai Lake, referred to as Qing for short. Qinghai is the birthplace of the Yangtze River, Yellow River and Lancang River, so it is called the “source of the river”, also known as the “source of the three rivers”, and is known as the “China Water Tower”. The geographical location of this province is between 89 ° 35 ′ – 103 ° 04 ′ east longitude and 31 ° 9 ′ -39 ° 19 ′ north latitude. The province is more than 1200 kilometers long from east to west and more than 800 kilometers wide from north to south, with a total area of 72. 230,000 square kilometers, accounting for one-thirteenth of the country’s total area. The area is ranked fourth among the provinces, municipalities and autonomous regions in the country after Xinjiang, Tibet and Inner Mongolia.

Qinghai is surrounded by neighboring provinces and regions, bordering Gansu Province in the north and east, Xinjiang Uygur Autonomous Region in the northwest, Tibet Autonomous Region in the south and southwest, and Sichuan Province in the southeast.