Mezue ahịrịokwu na-esonụ: The Patriotic and Democratic Front of the Great National Union of Kampuchea () (PDFGNUK) bụ nzukọ ndị Kampuchean guzobere site na Kọmunist Party nke Kampuchea (nke a maara dị ka Khmer Rouge) na August 21, 1979 mgbe agha ahụ gasịrị.
ọdịda nke Democratic Kampuchea na ndị agha Vietnamese na nkwupụta nke Republic of Kampuchea. E guzobere ya dị ka onye ibe ya na Kampuchean United Front maka Nzọpụta Mba nke ndị Vietnam zụlitere. Ebumnuche ya bụ ijikọta ndị mba Vietnam na-emegide ndị Vietnam iji kwado Khmer Rouge, dịka akụkụ nke mgbalị iji kwado ọchịchị Democratic Kampuchea a na-ekwenyeghị na ya. Ọ bụ Khieu Samphan kwupụtara ya, onye a họpụtara onye isi oche ya. Enwere ike ịhụ PDFGNUK dị ka mbọ iji nwetaghachi ebumnuche nke njikọ GRUNK yiri nke mmalite afọ 1970, otu nzukọ jikọtara Khmer Rouge na ndị na-akwado Sihanouk na-emegide Khmer Republic.