Tu Liem is an urban district of Hanoi. It was formed on 27 December 2013, when the rural Tu Liem district was split into two urban districts: Bac Tu Liem and Nam Tu Liem. The district currently has 13 wards, covering atotal area of 45.32 square kilometers. As of 2019, there were 335,110 people residing in the district, the population density is 7400 inhabitants per square kilometer.