My father was captured in 1943 by the Germans and shipped to northern Greece to a POW camp. He was captured near the town of Nevesinje. The POW camp was near Salonkia, Greece.

Begin your research with websites concerning WW2 POW camps. Go to www.mansell.com Extensive lists and rosters for Japanese POW Camps

There were several POW camps located in Austria. These include Ailingen, Bregenz, Ering, Muran, Lustenau, as well as St. Peter / Winberg.

POW camps for Communist (NVA/VC) Prisoners of War were operated by the South Vietnamese Government: See website: Prisoner-of-war Camps.

yes. most of the time visiting was prohibited in POW camps.