What is the biggest city in the world by area?

Summary of the 10 Largest Cities in the World by Land Area
Rank by Size Name of City Country Area in Square Miles
1. Nagqu Tibet 173,953
2. Hulunbuir Mongolian China 101,913
3. Jiuquan China, Gansu Province 73,878
4. Shigatse Tibet 70,271
5. Altamira Brazil 61,596
6. Nyingchi Tibet 44,855.4
7. Chamdo Tibet 42,530.7
8. Kalgoorlie South Central Australia 36,902
9. Chongqing Western China 31,815
10. Shannan Tibet 30,772

Nagqu is a prefecture-level city in northern Tibet with a land area of 173,953 square miles. Nagqu was formerly referred to as "Heihe," which is a Tibetan word meaning "black river." Under the Ming and Qing Dynasties, the city was called "Hala Wusu," which meant the same thing but in Mongolian. With a population of almost half a million, the city is blessed with water resources and covers many of Tibet's lakes. It is also the largest region of Tibet, making up more than 47% of the total area, and has become one of the region's most significant political and economic hubs. It is well known for trading and exporting various goods, including agricultural and animal products.