Principality of Volhynia
The Principality of Volhynia (Ukrainian: Волинське князівство) was a western Kievan Rus' principality founded by the Rurikid prince Vsevolod in 987 centered in the region of Volhynia, straddling the borders of modern-day Ukraine, Belarus, and Poland. From 1069 to 1118, it belonged to the Izyaslavichi who primarily ruled from Turov (see Principality of Turov).