There were over a hundred POW camps both north and south. There was no specific place that held all the prisoners.
they where heald under ground
The majority of approximately 700 US POW's held in North Vietnam were US Airmen who had been shot down while flying bombing missions over the north.
The prisoners were held in cells in a concentration camp and if the soldiers decided that they wanted to kill them, they woul do it in several ways. they would shoot them burn them or starve them to...
in South-East Asia