Hoan Kiem Lake (Vietnamese: Hồ Hoàn Kiếm, meaning "Lake of the Returned Sword" or "Lake of the Restored Sword", also known as Hồ Gươm - Sword Lake) is a lake in the historical center of Hanoi, the capital city of Vietnam. The lake is one of the major scenic spots in the city and serves as a focal point for its public life.
Hanoi estimated population nearly 6.5 million (2009),is the capital and second-largest city of Vietnam. October 2010 will officially mark 1000 years of the establishment of the city.