The museum has 8 departments. One of the departments recreates the history of the Drahomanov-Kosach family, which presented Mykhailo Drahomanov, Olena Pchilka and Lesya Ukrainka to Ukraine. In particular, materials about Panas Myrny and Lesya Ukrainka are presented here. Her mother, Olena Pchilka, and her uncle, Mykhailo Drahomanov, were born in Hadiach. Among the exhibits are furniture from the living room of the Drahomanovs' house and Lesya Ukrainka's personal belongings. The museum, in particular, preserves Lesya Ukrainka's own embroidery (her personal belongings), a statuette "Egyptian", brought by the writer from Egypt; from MP Drahomanov's library — "Investigations on Ukrainian Folk Literature and Literature", "Correspondence of Mykhailo Drahomanov with Meliton Buchynsky 1871-1877" and other brochures.
The museum also includes the Hadiach dungeons.
