nh Thái, Vĩnh Ngọc, Vĩnh Hiệp, Vĩnh Lương, Vĩnh Trung, Vĩnh Thạnh, Vĩnh Phương was split from Khánh Xương County to become Nha Trang City territory.
On 27 March 1978, the provincial government by Decision 54-BT founded Phước Đồng Commune under Nha Trang City.
On 1 July 1989, Khanh Hoa was split from Phu Khanh Province to become Khanh Hoa Province as it was before, Nha Trang was made the capital of Khanh Hoa Province.
On 22 April 1999, the prime minister by Decision 106/1999 recognized Nha Trang City the second class municipal city.
On 22 April 2009, the prime minister Nguyễn Tấn Dũng recognized Nha Trang City at the first class municipal city
