Uông Bí is a former city of Quảng Ninh Province in the north-eastern region of Vietnam. As of 2019 the city had a population of 120,982. The City covers an area of 240 km2. Uong Bi was promoted from a

Hạ Long is a former first-class provincial city and capital city of Quảng Ninh province, Vietnam. It was found in 1993, when the old capital, Hòn Gai, was merged with Bãi Cháy, the main tourist area.