Deoria, city, eastern Uttar Pradesh state, northern India. It is situated just west of the Bihar state border, about 32 miles (50 km) southeast of Gorakhpur.
Deoria lies on a major rail line to Bihar and is an agricultural trade centre. Its principal industry is sugar milling. Major crops grown in the surrounding agricultural area include sugarcane, rice, oilseeds, and pulses; there are also a number of sugar-processing factories. Nearby Kushinagara (north-northeast), the reputed place of Buddha’s death and cremation, is a pilgrimage centre. Pop. (2001) 104,227; (2011) 129,479.