Vietnams demilitarized zone was established by the geneva agreement in 1954 as a dividing line between the north and south in the outcome of the first indochina war later during the vietnam war aka the american war it was the scene of heavy fighting on this 9 hour tour discover that the area is as so many parts of vietnam are blessed with the natural beauty of mountainous and jungle landscapes experience the remnants of war in this tragic region still known by many as the dmz demilit