City in Kansu province, China, situated at the eastern end of the Kansu Corridor through which the Silk Road ran southeast to northwest. Wuwei became an important commandery under the Han dynasty (206 BC-AD 220). Since T'ang times (618-907), it has been the seat of a prefecture Liang-chou. The 2nd-century tomb of a Han official was discovered, furnished with a procession of miniature bronze cavalry, chariots, and spirited horses including the well-known 'flying horse'. The ancient city has many monuments.