According the Center For Research Allied POWS Under The Japanese:
Over 500 Japanese POW camps and civilian internment camps for American and Allied nationals stretched from Rangoon (Burma-Myanmar) down through Malaya, Singapore, Sumatra, across Indonesia (Netherlands East Indies, NEI) as far east as Rabaul in the Solomon Islands. Hundreds of camps stretched north through the Celebes, Borneo, the Philippines, Hainan Island, Taiwan and Korea.
In Japan alone, over 160 POW slave labor camps existed at the time of surrender. Camps were located in many areas of mainland China including notorious camps in the Hong Kong and Shanghai areas. Prisoners were used mainly for mining coal, ore, ship building, airfield construction, and military defense bunkers. The most notorious were a camp in Palawan (massacre by fire of 150 Americans), Sandakan 2,200 British and Australians died in a forced march in Borneo), and a series of camps along the Burma-Thailand Death Railway (an estimated 15,000 Allied POWS perished, along with almost 180,000 civilians impressed into slavery).
In Japan alone, over 160 POW slave labor camps existed at the time of surrender. Camps were located in many areas of mainland China including notorious camps in the Hong Kong and Shanghai areas. Prisoners were used mainly for mining coal, ore, ship building, airfield construction, and military defense bunkers. The most notorious were a camp in Palawan (massacre by fire of 150 Americans), Sandakan 2,200 British and Australians died in a forced march in Borneo), and a series of camps along the Burma-Thailand Death Railway (an estimated 15,000 Allied POWS perished, along with almost 180,000 civilians impressed into slavery).
