Jieshou (Chinese: 界首; pinyin: Jièshǒu) is a county-level city under the administration of Fuyang City, located on the Huang-Huai Plain in northwestern Anhui province, People's Republic of China. Jieshou, an important commercial port and gateway, borders Henan Province on the west and the Ying River, a major tributary of the Huai River flows in a southeasterly direction across the county to Fuyang. According to the "China Statistical Yearbook" the population of Jieshou city stood at 109,103 in 2010, while GeoNames, puts the population at over 140,000 inhabitants.