Goryeo pasi pokutonga kweMongolia inoreva kutonga kweMongol-inotungamirirwa neYuan dynasty yeChina pamusoro peKorea Peninsula kubva munenge muna 1270 kusvika muna 1356. Pashure pokupinda kwevaMongol muKorea
uye kukundikana kwehurumende yeKorea yeGoryeo muzana ramakore rechi13, Goryeo yakava nyika yakazvimiririra uye yakabatana nehurumende yeYuan kwemakore anenge 80. Mutsara unotonga weGoryeo, Imba yaWang, yakabvumidzwa kutonga Korea semutongi weYuan, iyo yakatanga Dunhu reZhengdong (征東行省; zvichireva kuti "Kukunda Kumabvazuva") muKorea. Nhengo dzemhuri youmambo yeGoryeo dzaiendeswa kuDadu, uye dzaiwanzokaroorwa nevakadzi veimba youmambo yeYuan. Somugumisiro, machinda akava madzimambo eGoryeo mukati menguva iyi akanga ari zvirokwazvo vanakomana vomumambo ("khuregen"). Utongi hweYuan hwakaguma mumakore ekuma1350 apo dzinza reYuan pacharo rakatanga kuparara uye Mambo Gongmin weGoryeo akatanga kudzosera varwi veYuan.