Mezue ahịrịokwu na-esonụ: Ebe mbụ e kwuru banyere Leśnica bụ n'akwụkwọ e dere n'afọ 1217 nke Duke Casimir nke Mbụ nke Opole dere. Aha ya sitere n'okwu Polish "las" ("oke ọhịa"). Obodo ahụ bụ akụkụ nke Duchy nke Opole nke Poland kewara ekewa, ma bụrụkwa nke ọchịchị Piast na-achị ruo 1532. E bibiri obodo ahụ na 1429 n'oge
Agha Ndị Hussite. N'afọ 1532, e webatara ya na Ala Ala Bohemia, n'afọ 1645 ọ gafere ndị Poland ọzọ n'okpuru ụlọ nke Vasa, na 1666 ọ laghachiri Bohemia.