Lockdown regulations were officially removed in Chi Linh City and Cam Giang District from the morning of March 3.
Many people waved national flags and lit fireworks to welcome freedom after over a month living in lockdown for virus prevention.
Local people said that this was like Lunar New Year's Eve for them because they could not celebrate during the Tet Holiday.
A charity group that had offered food to the Covid-19 prevention and control forces during the lockdown period celebrated the event.
A truck driver was happy as he can drive out of the city after the lockdown ends.
The coronavirus broke out in Hai Duong province on January 27.
The outbreak in the hotspot Chi Linh has now been eliminated, while the one in Cam Giang district is under control.
Meanwhile, Hanoi authorities have announced that people from four localities in Hai Duong Province including Hai Duong City, Kim Mon Town, Kim Thanh and Cam Giang districts will face a 14-day quarantine period when coming to Hanoi.