Long Biên is an urban district (quận) of Hanoi, the capital of Vietnam.

[3] The district currently has 14 wards, covering a total area of 59.82 square kilometres (23.10 sq mi).

[1] As of 2019,[2] there were 322,549 people residing in the district, the population density is 5,400 inhabitants per square kilometer.

The district is named for the formerly separate settlement of Long Biên (Chinese: Longbian), which served as the capital of Jiaozhou and Jiaozhi in imperial China and as the capital of Lý Bí's kingdom of Vạn Xuân.

Long Biên district is divided into 14 wards (Bồ Đề, Cự Khối, Đức Giang, Gia Thụy, Giang Biên, Long Biên, Ngọc Lâm, Ngọc Thụy, Phúc Đồng, Phúc Lợi, Sài Đồng, Thạch Bàn, Thượng Thanh, Việt Hưng).