Long Xuyên ( listen) is the capital city of An Giang Province, in the Mekong Delta region of southwestern Vietnam. It is located at approximately 1,950 km south of Hanoi, 189 km from Ho Chi Minh City, and 45 km from the boundary with Cambodia. The population of Long Xuyen city is over 300,000 (2007), with an area of only 130 km².