Kammala jumla mai zuwa: An kafa Gidan Tunawa da 'Yan Poland a Palmiry a 1948. Tana cikin gandun daji kusa da ƙauyen Palmiry (Czosnów) a cikin Kampinos National Park a cikin Masovian Voivodeship. A lokacin Jamusanci
A lokacin mamayar Poland tsakanin 1939 da 1943, Gestapo da SS sun gudanar da harbe-harben ɓoye na fararen hula na Poland a nan. Gidan tunawa yana kusa da tsoffin kaburbura.