Hanoi (Vietnamese: Hà Nội Ha noi.ogg) is the capital and second-most populous city of Vietnam. As evident by the literal translation of its name – 'inside the river' – portions of Hanoi's border are deliniated by the Red River and the Black River. As a municipality, Hanoi consists of 12 urban districts, 17 rural districts, and 1 district-level town (Sơn Tây). It has an area of 3,359.82 km2 and a population of 8,435,700 in 2022. In 2020, Hanoi has the second-highest gross regional domestic product of all Vietnam provinces and municipalities at 51.4 billion USD, behind Ho Chi Minh City. Hanoi Capital is also ASEAN 8th largest economy after Surabaya.