Thái Bình was a former coastal eastern province in the Red River Delta region of northern Vietnam. Its name is chữ Hán for "great peace." It is about 18 km from Nam Định, 70 km from Haiphong, and 110
Hải Dương was a former province in the Red River Delta of northern Vietnam. Its name derives from the Sino-Vietnamese 海陽 phrase "ocean sun", though the modern province is in fact landlocked. Located i