These hotspots, operated by Saigon Post and Telecommunications Service JSC, can serve more than 1,000 users a day, the authorities said.
Several other destinations in Vietnam such as Hoi An, Halong Bay and Danang are also providing free Internet access at major tourist spots.
Free Wi-Fi is available at almost all cafés, restaurants and airports in popular cities in Vietnam, which ranks seventh in Asia and 18th worldwide in terms of Internet usage, according to the 2014 White Book on Vietnamese Information and Communication Technology.