Northwest China's Xinjiang Uyghur Autonomous Region is the largest administrative area in the country, covering an area of more than 1,660,000 square kilometers, which accounts for 1/6 of the national land area.
The longest frontier line
Xinjiang has the longest land frontier line in China. It borders the eight countries of Mongolia, Kazakhstan, Kyrgyzstan, Tajikistan, Russia, Afghanistan, Pakistan, and India, with a borderline of 5,600 kilometers.
Largest county in area
Ruoqiang County of Xinjiang is the largest county in China, with an area of more than 200,000 square kilometers.Westernmost place of China's territory
The westernmost place of China's territory is on the Pamirs (a high mountain chain mainly in Tajikistan) west of Wuqia County in Xinjiang.
City farthest from sea
Urumqi is the inland city farthest from sea in the world, with the nearest sea being 2,250 kilometers away from the coast.
Lowest terrestrial place
The Aiding Lake in the Turpan Basin, being 155 meters below sea level, is the lowest place in China and the second-lowest place in the world, next to only the Dead Sea (-391 meters) of Jordan.
Longest inland river
The Tarim River is the longest inland river in China, with a total length of 2,179 kilometers.
Largest inland freshwater lake
The Bosten Lake in Xinjiang is the largest inland freshwater lake in China, with a total area of 980 square kilometers.
Only river flowing into the Arctic Ocean
The Ertish River in Xinjiang is the only river in China that flows into the Arctic Ocean.
Natural ice stadium at the highest topography
The Heavenley Lake ( Boghda) under Peak Bogda of the Tianshan Mountains is a natural ice stadium at the highest topography, about 980 meters above sea level.
The most open peaks
Xinjiang is the area with the most open peaks in China, as a total of 11 peaks are open to the public.
Largest glacier
The Yinsugaiti Glacier in Xinjiang's Pamirs is the largest glacier in China, with a length of about 40 kilometers.
Largest inland basin
The Tarim Basin of Xinjiang is the largest inland basin in China, with an area of 560,000 square kilometers.
Largest natural poplar forest
The Tarim Basin in Xinjiang has the largest natural poplar forest in China, in terms of both area and distribution. The poplar forest has an area of 3,800 square kilometers.
Richest liquorice resource
Xinjiang has the riches resources of liquorice in China.
The highest output of caladium
Xinjiang has the highest output, widest distribution, and most diversified plant species of caladium in China.
The best clovers
Xinjiang clovers have the best quality in China.
Lavender with the highest oil output
Xinjiang's lavender is a rare and precious medicinal material with the highest oil output in China.
Hop with best quality
Xinjiang is an ideal hop production area, with the best quality and highest output of hops (cones which give beer its bitter taste) in China.
The largest wild apple forest
Xinjiang has the largest wild apple forest in China.
Only area with European Black Poplar trees
Xinjiang is the only area in China where European black poplar trees have been found.
Only natural reserve for foliole Chinese ashes
Xinjaing has the only natural reserve for foliole (leaflet) Chinese ash in China, with an area of 20 hectares. The foliole Chinese ashes are the offspring of the ancient plants that lived between 70 million to 1 million years ago.
Only natural reserve for beavers
The Altay Region of Xinjiang has the only beaver natural reserve in China.
Only natural reserve for swans
Xinjiang's Bayinbuluk Swan Natural Reserve is the only swan natural reserve in China, with an area of over 1,000 square kilometers.
Only natural reserve for four-clawed tortoises
China's only natural reserve for four-clawed tortoises is in Xinjiang's Huocheng County.
Largest natural reserve
The Arjin Mountain Nature Reserve, located in the south of Xinjiang's Ruoqiang County, is the largest natural reserve in China, with an area of 45,000 square kilometers.
Walnuts with the best quality
Xinjiang walnuts, mainly distributed in Aksu, Hotan, and Qaghiliq, have the best quality in China.
Sweetest grapes
Xinjiang is the largest producing area of the sweetest grapes with the highest output in China. Its best grape is the white seedless grape.
The highest consumption of fruits per capita
Xinjiang has the highest consumption of fruits per capita in China.
Place with the most sunny days
Kuche County of Xinjiang is the place with the most sunny days a year in China.
Driest place
Turpan in Xinjiang is the driest place in China, with about 299 days without rain a year.
Hottest place
Xinjiang's Turpan, known as the "Fiery Land," is the hottest place in summer in China.
The longest sunlight
Xinjiang has the longest sunlight in China, having as many as 2,550-3,300 hours of sunlight a year.
Only place where pterosaur fossils are found
Well-preserved pterosaur fossils have found in the Wuerhe area northwest of the Junggar Basin. This is by far the only place in China where pterosaur fossils have been found.
Earliest cotton cloth and cottonseed
The earliest cotton cloth and cottonseed by far were found respectively in an Eastern Han Dynasty (25-220) Tomb in Minfeng County and in a Jin Dynasty Tomb in Turpan in 1959.
Earliest Grottos
The Kezil Thousand-Buddha Caves in Xinjiang's Baicheng County are the earliest grottos in China.
Largest mosque
The Id Kah Mosque in Kashi is the largest mosque in China.
Longest underground irrigation system
Xinjiang's Karez is the longest underground irrigation system in China, totaling more than 5,000 kilometers.
Jade with the best quality
Hotan is famous for its jade resources. Its jade has the best quality in China, and is famous around the world.
Long-staple cotton with the best quality
Xinjiang's long-staple cotton has the best quality and the largest output in China.Largest siderolite
China's largest siderolite (a kind of meteorite) is the one exhibited in the Xinjiang Exhibition Museum. The siderolite is about 242 centimeters long, 185 centimeters wide, and 137 centimeters tall, weighing about 30 tons. It is also the third-largest siderolite in the world.
Longest mine tram rail
China's longest mine tram rail by far is the one in the depths of the Tianshan Mountains in Xinjiang, with a total length of 20.6 kilometers.
The longest airline and most flight stations
Xinjiang has the longest airline and the most flight stations for civil aviation in China.
Highway at the highest altitude
The Xinjiang-Tibet Highway is the highest highway in China as well as in the world. It is over 5,000 meters above sea level on average, with the highest point reaching 6,035 meters.
The only desert highway
The highway running through the Taklimakan Desert is the only desert highway in China.
Only natural reserve for Wild Camels
The Arjin Mountain Wild Camel Natural Reserve, located between the Qaidam Basin and the Lop Lake, is the only natural reserve of its kind in China, with an area of 17,000 square kilometers.
Highest place with animal life
The wild yak is the animal living in the highest habitable place in China, at about 6,000 meters above sea level.
Lowest place with animal life
The midday gerbils that build their burrows in the Aiding Lake are the animals living in the lowest habitable place in China.
Largest desert
The Taklimakan Desert is the largest desert in China, with an area of 320,000 square kilometers.
The largest area of snow lotus plants
Xinjiang has the largest area of snow lotus plants in China.
Best horses
The best species of horses is the Ili horse in Xinjiang.
The largest area of Almond
Xinjiang has the largest cultivating area of almonds in China, covering about 800,000 mu (12,000,000 hectares).
Richest in minerals
Xinjiang is the area richest in minerals in China.
The largest reserve of petroleum
Xinjiang has the largest reserve of petroleum in China, totaling 200-400 hundred million tons, which takes up 1/3 of the country's total.
Richest in coal resources
Xinjiang is the richest in coal resources, with a total reserve of 21,900 hundred million tons.