Long Xuyên, formally named Thủ Đông Xuyên, is the capital city of An Giang province, in the Mekong Delta region of south-western Vietnam.

Tôn Đức Thắng was the second president of Vietnam under the leadership of General Secretary Lê Duẩn. The position of president is ceremonial and Tôn was never a major policymaker or even a member of the Politburo, Vietnam's ruling council. He served as president, initially of North Vietnam from September 2, 1969, and later of a united Vietnam, until his death in 1980.