Kammala jumla mai zuwa: Dangane da bayanan "Tarihin Liao" ((), Khitans sun kafa gundumar Samhan, a cikin Zhongjing Circuit (中京道), ɗayan "da'irar" Liao guda 5, bayan Goryeo <unk> Khitan War don daidaita fursunonin yaƙe-yaƙe. A cikin daular Yuan, an haɗa Koriya tare da Sinawa na Arewa, Khitan da Jurchen a aji na uku, a matsayin "mutanen Han". Gidajen Koriya a daular Yuan galibi suna da alaƙa da yaƙi. A cikin 1233, tsohon kwamandan Goryeo Hong Bok-won da mabiyansa sun koma yankunan Liaoyang da Shenyang na lardin Liaoning na yanzu a Arewa maso gabashin China bayan mika wuya ga 'yan Mongol a lokacin Daular Mongol.
Mongol mamayewar Koriya, kuma an ba shi matsayin mai gudanarwa don kula da yawan mutanen Koriya a can. A cikin shekaru masu zuwa, an kawo wasu gidaje dubu goma na Goryeo a karkashin mulkinsa. A cikin 1266, an tura Wang Jun (), memba na dangin Goryeo, zuwa Daular Mongol a matsayin ɗan garkuwa. Akwai gidaje 2,000 na Goryeo da ke tare da shi kuma suka zauna a cikin birnin Shenyang na yanzu.