The culture of Dong Son – Vietnam has been discovered by French archaeologists for the first time in 1924 on the Ma riverside, in the commune of Dong Son, huyen of Dong Son (now quarter of Ham Rong, Thanh Hoa city). This is also the place where was discovered for the first time the collection of vestiges of the age of metals in Vietnam and in South-East Asia. So far, the domain of distribution of this culture has been determined from the northern to the southern frontier of Deo Ngang (a mountain pass of Vietnam), province of Quang Binh, with a concentration in the valléys of three big rivers: the Red River, the river Ma and the river Ca.