Choeung Ek (Khmer: ជើងឯក, Cheung Êk [cəːŋ ʔaek]) is the site of a former orchard and mass grave of victims of the Khmer Rouge – killed between 1975 and 1979 – in Dangkao Section, Phnom Penh, Cambodia, about 17 kilometres (11 mi) south of the Phnom Penh city centre. It is the best-known of the sites known as the Killing Fields, where the Khmer Rouge regime executed over one million people between 1975 and 1979. From Wikipedia