In short: Hanoi's nights feel like a summer festival – people sit on plastic stools on Ta Hien Street drinking bia hoi (from about 60 yen a glass) in a friendly, lively atmosphere. Ho Chi Minh City's nights feel like an outdoor music festival – the booming music and neon of Bui Vien Street, rooftop...

In short: the most common nighttime problems in Vietnam are pickpocketing and bag snatching, overcharging taxis, and overpriced bars you get led to by touts. To protect yourself, keep your phone and wallet in front of you, use Grab to get around, and never follow touts. Illegal...

In short: regular restaurants and non-adult massage places close around 22:00–23:00, but bars, VIP massage and clubs keep going after 2 a.m. In Hanoi: bars around Linh Lang, VIP massage around Tran Duy Hung...