The Patriotic and Democratic Front of the Great National Union of Kampuchea (PDFGNUK) yaive sangano revanhu reKampuchean rakagadzwa neCommunist Party of Kampuchea (inozivikanwa seKhmer Rouge) musi waAugust 21, 1979 mushure mekudonha kwe
yeDemocratic Kampuchea kumauto eVietnam uye kuziviswa kwakazotevera kwePeople's Republic yeKampuchea. Yakagadzwa somuperekedzi weKampuchean United Front for National Salvation iyo yakanga yarerwa navaVietnam. Chinangwa chayo chakanga chiri chokuunganidza varudzi vanorwisana neVietnam kuti vatsigire Khmer Rouge, sorutivi rwokuedza kupa chiremera kutonga kweDemocratic Kampuchea kwakanga kwaparadzwa. Rakaziviswa naKhieu Samphan, uyo akasarudzwa sachigaro waro wenguva pfupi. PDFGNUK inogona kuonekwa seyekuedza kumutsiridza zvinangwa zvakafanana zveGRUNK mubatanidzwa wekutanga kwema1970, sangano rakabatana neKhmer Rouge uye mauto epro-Sihanouk anopikisa Khmer Republic.