Massacres of Poles in Volhynia and Eastern Galicia

The massacres of Poles in Volhynia and Eastern Galicia (Polish: rzeź wołyńsko-galicyjska, lit. 'Volhynian-Galician slaughter'; Ukrainian: Волинсько-Галицька трагедія, romanized: Volynsʹko-Halytsʹka trahediya, lit. 'Volhynian-Galician tragedy') were carried out in German-occupied Poland by the Ukrainian Insurgent Army (UPA), with the support of parts of the local Ukrainian population, against the Polish minority in Volhynia, Eastern Galicia, parts of Polesia, and the Lublin region from 1943 to 1945. The UPA's actions resulted in up to 100,000 Polish deaths.

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