The largest administrative area
Northwest China's Xinjiang Uygur 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.