Thai Binh is the birthplace of the Tran Kings. Tran dynasty chose Tam Duong (now belonging to Tien Duc commune, Hung Ha district) is the place started their cause and to locate mausoleum of Tran dynasty ancestors and royal family (the kings, queens and princesses). There are three large tombs named Tho Lang, Chieu Lang and Du Lang, which are respectively resting place of King Tran Thai Tong, Tran Thanh Tong and Tran Nhan Tong. Tran Kings' mausoleum and temple complex was recognized as a Special National Site in 2014.

Located in the complex of monuments, there is the tomb of Grand Preceptor Tran Thu Do, Khuoc and Ngu village halls where worshiped Grand Preceptor and Mother of the Nation Lady Tran Thi Dung's temple.