 Having an estimated nominal GDP of US$32.8 billion, it is currently the second most productive economic centre of Vietnam, after Ho Chi Minh City.Originally a small settlement along the banks of the Red River, the city was founded as Thăng Long (, "rising dragon"), the capital of Imperial Vietnam, in 1010 by monarch Lý Thái Tổ.Thăng Long would remain the most important political and cultural centre of Vietnam until 1802, when the Nguyễn dynasty, the last imperial dynasty of Vietnam, moved the capital to Huế.