Nam Định (listenⓘ) is a province in the Southern part of the Red River Delta region of the Northern Vietnam.

The lowland coastal region, which is home to Giao Thủy, Hải Hậu, and Nghĩa Hưng districts.

Nam Định's coastline is 72 kilometres (45 mi) long and has favorable conditions for raising livestock and fishing.

Nam Định is at the center of Vietnam's growing textile and trade gateway to the south via the Red River Delta.

Nam Định has four major estuaries: Ba Lạt, Đáy, Lạch Giang and Hà Lạn.

List of Universities and Colleges : The main religions in Nam Định province are Catholicism (part of Hanoi Archdiocese and the whole of Bùi-chu Diocese), Mazuism (a folk religion originated in the province in the 16th century), Buddhism (especially Zen school during the Trần dynasty).