Háj ve Slezsku (Czech pronunciation: [ˈɦaːj ˈvɛslɛsku]; German: Freiheitsau) is a municipality and village in Opava District in the Moravian-Silesian Region of the Czech Republic.

First settlements in the area of today's municipality were probably established in the 13th century.

[3] Háj ve Slezsku is located on the railway line Ostrava–Opava.

[6] The municipality organizes an annual folklore festival named Rozmarné léto after the most famous novel of local native Vladislav Vančura.

[7][8] The main landmark is the Church of Saint Valentine in Chabičov.