Hoa Lu, Vietnam's ancient capital, is a particularly significant national relic complex and one of the four core areas of the Trang An world heritage complex, as recognized by UNESCO. Hoa Lu ancient capital was our country's first imperial capital for 42 years. This land witnessed the heroic cause of national construction and defense for 12 years during the Dinh dynasty (968-980), 29 years during the Tien Le dynasty (980-1009), and early Ly dynasty (1009 – 1010).