Rubuta ci gaba don wannan sakin layi - Goryeo a karkashin mulkin Mongol yana nufin mulkin daular Mongol-Yuan na kasar Sin a kan tsibirin Koriya daga kimanin 1270 zuwa 1356. Bayan mamayewar Mongol na Koriya
da kuma mika wuya na daular Goryeo ta Koriya a karni na 13, Goryeo ya zama mai cin gashin kansa mai cin gashin kansa kuma abokin tarayya na daular Yuan na kimanin shekaru 80. An ba da izinin layin da ke mulkin Goryeo, Gidan Wang, don yin mulkin Koriya a matsayin mai mulkin Yuan, wanda ya kafa lardin Zhengdong (征東行省; a zahiri "Cin Gabas") a Koriya. An kai membobin gidan sarauta na Goryeo zuwa Dadu, kuma galibi suna yin aure ga ma'aurata daga gidan sarauta na Yuan. A sakamakon haka, sarakunan da suka zama sarakunan Goryeo a wannan lokacin sun kasance 'ya'yan sarki ne a cikin doka ("khuregen"). Yuan overlordship ya ƙare a cikin 1350s lokacin da daular Yuan kanta ta fara rushewa kuma Sarki Gongmin na Goryeo ya fara turawa garuruwan Yuan baya.