
An Lão is a township and capital of An Lão District, Haiphong, Vietnam.

Ba Sao is a township of Kim Bảng District, Hà Nam Province, Vietnam.

Bình Giang is a rural district (huyện) of Hải Dương Province in the Red River Delta region of Vietnam. As of 2003 the district had a population of 106,689. The district covers an area of 105 km². The district capital lies at Kẻ Sặt.
The Cà Lồ River is a river of Vietnam. It flows through Vĩnh Phúc Province, Hanoi and Bắc Ninh Province for 89 kilometres and has a basin area of 880 km².

Cẩm Giàng is a rural district (huyện) of Hải Dương Province in the Red River Delta region of Vietnam. As of 2003 the district had a population of 121,298. The district covers an area of 109 km². The district capital lies at Lai Cách town.
Cát Hải is a rural district (huyện) of Hai Phong, the third largest city of Vietnam. It includes the old Cát Bà town since 1977.

Chờ is a township and capital of Yên Phong District, Bắc Ninh Province, Vietnam.

Đồ Sơn is an urban district (quận) of Haiphong, the third largest city of Vietnam. The district is located on the bank of the Gulf of Tonkin, 22 km away from Haiphong.

Đông Hưng is a district (huyện) of Thái Bình Province in the Red River Delta region of Vietnam.
The Đuống River, also known as the Thiên Đức River, is a river of Vietnam. It flows for 68 kilometres (42 mi) through Bắc Ninh Province and Hanoi.

Duy Tiên is a town of Hà Nam Province in the Red River Delta region of Vietnam. As of 2003, the town had a population of 131,244. The town covers an area of 134 km². The district capital lies at Hòa Mạc.

Gia Bình is a township and capital of Gia Bình District, Bắc Ninh Province, Vietnam.

Gia Viễn is a rural district of Ninh Bình Province in the Red River Delta region of Vietnam. As of 2008 the district had a population of 119,284. The district covers an area of 176 km². The district capital lies at Me.

Hồ is a township and capital of Thuận Thành District, Bắc Ninh Province, Vietnam.

Hoa Lư is a district of Ninh Bình Province in the Red River Delta region of Vietnam. Before 1010, Hoa Lư served as the capital of Đại Cồ Việt. The ancient capital of Hoa Lư is located in Trường Yên Commune (vi). It comprises 10 communes and one township: Trường Yên, Ninh Hòa, Ninh Giang, Ninh Mỹ, Ninh Khang, Ninh Xuân, Ninh Vân, Ninh Hải, Ninh An, Ninh Thắng and Thiên Tôn Township. As of 2003 the district had a population of 66,932. The district covers an area of 103 km². The district capital lies at Thiên Tôn.

Hoài Thượng is a commune (xã) in Thuận Thành District, Bắc Ninh Province, in northeastern Vietnam. It has a population of just over 9,000.

Hưng Hà is a rural district (huyện) of Thái Bình Province in the Red River Delta region of Vietnam. As of 2003 the district had a population of 252,912. The district covers an area of 200 km². The district capital lies at Hưng Hà.

Hải Hậu is a rural district of Nam Định Province in the Red River Delta region of Vietnam. As of 2003 the district had a population of 285,298. The district covers an area of 227 km². The district capital lies at Yên Định.

Khoái Châu is a township and capital of Khoái Châu District, Hưng Yên Province, Vietnam.

Khoái Châu is a rural district of Hưng Yên Province in the Red River Delta region of Vietnam. In Sino-Vietnamese script, used until 1919, the name is given as 快州.

Kiện Khê is a township of Thanh Liêm District, Hà Nam Province, Vietnam.

Kiến Xương is a township and capital of Kiến Xương District, Thái Bình Province, Vietnam.

Kim Sơn is a rural district of Ninh Bình Province in the Red River Delta region of Vietnam. As of 2003 the district had a population of 171,660. The district covers an area of 165 km². The district capital lies at Phát Diệm.

Kinh Môn is a town of Hải Dương Province in the Red River Delta region of Vietnam. As of 2003 the district had a population of 164,956. The district covers an area of 163 km². The district capital lies at An Lưu.

Lập Thạch is a township and capital of Lập Thạch District, Vĩnh Phúc Province, Vietnam.

Lim is a township and capital of Tiên Du District, Bắc Ninh Province, Vietnam.

Nam Sách is a township and capital of Nam Sách District, Hải Dương Province, Vietnam.

Nho Quan is a township and capital of Nho Quan District, Ninh Bình Province, Vietnam.

Nho Quan is a rural district of Ninh Bình Province in the Red River Delta region of Vietnam. As of 2003, the district had a population of 145,186. The district covers an area of 452 km². The district capital lies at Nho Quan.

Phát Diệm is a township and capital of Kim Sơn District, Ninh Bình Province, Vietnam.

Phố Mới is a township and capital of Quế Võ District, Bắc Ninh Province, Vietnam.

Phúc Yên is a city in Vĩnh Phúc Province in the Red River Delta region of Vietnam. As of 2003 the district had a population of 83,352. The district covers an area of 120 km². The district capital lies at Phúc Yên. The city is on National Route 2 heading North-West out of Hanoi to the town of Vĩnh Yên.

Quế is a township and capital of Kim Bảng District, Hà Nam Province, Vietnam.
Quế Võ is a rural district of Bắc Ninh Province in the Red River Delta region of Vietnam. As of 2003, the district had a population of 154,694. The district covers an area of 171 km². The district capital lies at Phố Mới.

Sông Lô is a district of Vĩnh Phúc Province in northern Vietnam. The district is established in January 2009 and named after Lô River. Tam Sơn township is the district seat.
Tam Đảo is a rural district (huyện) of Vĩnh Phúc Province in the Red River Delta region of northern Vietnam. As of 2003 the district had a population of 65,812. The district covers an area of 236 km². The district capital lies at Hợp Châu town.

Tam Điệp is a city of Ninh Bình Province in the Red River Delta region of Vietnam. It was established on 11 May 2015. As of 2015 the city had a population of 104,175. The city covers an area of 105 km².

Thái Bình City is a city in the Red River Delta of northern Vietnam. It is the capital of Thái Bình Province. The city is located 110 km from Hanoi. The city area is 67.7 square km, with a population of 210,000 people (2006).
Thanh Liêm is a rural district of Hà Nam Province in the Red River Delta region of Vietnam. As of 2019 the district had a population of 144,760. The district covers an area of 175.02 km². The district capital lies at Tân Thanh.

Thanh Miện is a township and capital of Thanh Miện District, Hải Dương Province, Vietnam.

Thứa is a township and capital of Lương Tài District, Bắc Ninh Province, Vietnam.
Tiên Du is a rural district of Bắc Ninh Province in the Red River Delta region of Vietnam. As of 2003, the district had a population of 131,118. The district covers an area of 108 km². The district capital lies at Lim.

Tiền Hải is a township and capital of Tiền Hải District, Thái Bình Province, Vietnam.

Tiền Hải is a rural district of Thái Bình Province in the Red River Delta region of Vietnam. As of 2003 the district had a population of 213,616. The district covers an area of 226 km². The district capital lies at Tiền Hải.

Tứ Kỳ is a township and capital of Tứ Kỳ District, Hải Dương Province, Vietnam.

Từ Sơn is a county-level town (Vietnam) of Bắc Ninh Province in the Red River Delta region of Vietnam. As of 2003 the district had a population of 123,296. The district covers an area of 61 km². The district capital lies at Từ Sơn.

Văn Giang is a township and capital of Văn Giang District, Hưng Yên Province, Vietnam.
Văn Lâm is a rural district (huyện) of Hưng Yên Province in the Red River Delta region of Vietnam. As of 2003 the district had a population of 97,238. The district covers an area of 74 km². The district capital lies at Như Quỳnh.

Vĩnh Phúc is a province in the Red River Delta of northern Vietnam.

Vĩnh Trụ is a township and capital of Lý Nhân District, Hà Nam Province, Vietnam.

Vĩnh Yên is the city capital of Vĩnh Phúc Province, in the Red River Delta region of northern Vietnam. The population is 76,650 people, the area is 50.87 km².

Vũ Thư is a township and capital of Vũ Thư District, Thái Bình Province, Vietnam.

Vũ Thư is a rural district of Thái Bình Province in the Red River Delta region of Vietnam. As of 2003 the district had a population of 229,406. The district covers an area of 199 km². The district capital lies at Vũ Thư.

Yên Khánh is a rural district of Ninh Bình Province in the Red River Delta region of Vietnam. As of 2003 the district had a population of 141,471. The district covers an area of 142 km². The district capital lies at Yên Ninh.