Cika wannan jumla:
yaƙe-yaƙe game da maye gurbin Galicia-Volhynia Principality a cikin 1339 Sarki Casimir III na Poland ya yi yaƙi kuma ya ci Lviv a cikin 1340, ya ƙone tsohuwar gidan sarauta. Poland a ƙarshe ta sami iko akan Lviv da yankin da ke kusa a cikin 1349. Daga wannan lokacin an yi ƙoƙari don yin Polonize da Katolika na yawan jama'a. Lithuanians sun lalata ƙasar Lviv a cikin 1351 yayin Yaƙe-yaƙe na Halych-Volhyn tare da Lviv da aka sace da kuma lalata shi da yarima Liubartas a cikin 1353. Casimir ya gina sabon gari (ko ya kafa sabon gari) a cikin kwari, ya kewaye shi da ganuwar, kuma ya maye gurbin fadar katako da gidan katako <unk> ɗayan biyu da ya gina. Tsohon (Ruthenian) ƙauyen, bayan an sake gina shi, an san shi da Krakovian Suburb.