Phú Hòa Đông is a commune in Ho Chi Minh City, Vietnam. It is one of the 168 new wards, communes, and special zones of Ho Chi Minh City. After restructuring, Phu Hoa Dong commune has an area of ​​59.75 km², a population of 97,766 people as of December 31, 2024, and a population density of 1,636 people/km².

The Cổ Chiên River (Sông Cổ Chiên) is a major distributary of the Mekong River in southern Vietnam. It is part of the intricate network of waterways that define the Mekong Delta region, playing a crucial role in transportation, agriculture, and the local ecosystem.