In the 1690s, Nguyễn Hữu Cảnh, a Vietnamese noble, was sent by the Nguyễn rulers of Huế to establish Vietnamese administrative structures in the Mekong Delta and its surroundings.Control of the city and the area passed to the Vietnamese, who gave the city the official name of Even today, however, the informal name of Sài Gòn/Saigon remains in daily speech both domestically and internationally, especially among the Vietnamese diaspora.Saigon and Cholon, an adjacent city with mostly Sino-Vietnamese residents, were combined into an administrative unit known as the Đô Thành Sài Gòn (Capital City Saigon), or Thủ đô Sài Gòn (National Capital Saigon).
Increasing waves of Vietnamese settlers, which the Cambodian kingdom could not impede because it was weakened by war with Thailand, slowly Vietnamized the area. Prey Nokor was the most important commercial seaport to the Khmers.
The loss of the city and the rest of the Mekong Delta cut off Cambodia's access to the East Sea.
) prior to annexation by the Vietnamese in the 17th century.
Under the name Saigon, it was the capital of the French colony of Cochinchina and later of the independent republic of South Vietnam 1955–75.
The Viet Minh, on the other hand, was supported by the Soviet Union.
On 30 April 1975, Saigon fell, ending the Vietnam War.Truong Mealy (former director of King Norodom Sihanouk's royal Cabinet), says that, according to a Khmer Chronicle, The Collection of the Council of the Kingdom, Prey Nokor's proper name was Preah Reach Nokor (Khmer: (the circumflex is sometimes omitted), abbreviated HCMV.The name commemorates Hồ Chí Minh, the first leader of North Vietnam.At the conclusion of the Vietnam War on 30 April 1975, the city came under the control of the Vietnamese People's Army.Among Vietnamese diaspora communities and particularly the U. (which had fought the communists), this event is commonly called the "fall of Saigon", while the Socialist Republic of Vietnam refers to it as the "Liberation of Saigon".Generally, the term Saigon refers only to the urban districts of Ho Chi Minh City.