Thailand's Chiang Mai topped the list with the average cost of living at $667 a month, according to GOBankingRates, a personal finance publication run by Nasdaq.
The Philippines' Cebu ranked third where the monthly average living costs stood at $840, followed by Taiwan's Taipei at $1,268, and Japan'’s Kyoto at $1,565.
"Da Nang offers pristine beaches, scenic mountains, a warm climate and modern amenities. With its affordable housing options, excellent healthcare facilities and growing expat community, Da Nang is a no-brainer," the U.S. publication said.
Da Nang, home to 1.2 million people, is considered Vietnam's third most important city after Hanoi and Ho Chi Minh City.
In 2018, Panama-based travel magazine Live and Invest Overseas named Da Nang as one of the world's most livable cities.