Is the smallest in the country, an area of 839.7 km ²Population: 1,114,000 (2015). High population density of the country's third (after Hanoi & Ho Chi Minh City)Include: 1 City, 1 Town, 6 District Adjacent to the provinces of BAC Giang, Hai Duong, Hung yen, Ha NoiIn the capital, the Northern key economic RegionSituated on 2: economic corridor of Kunming-Lao Cai-Hanoi-Haiphong-Quang Ninh & Nanning-lang son-Hanoi-Haiphong-Quang Ninh.
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