The Museum operates in six historic buildings within a preserved section of the medieval defensive walls in the centre of Chojnice, listed in the Register of Immovable Monuments of Pomorskie Voivodeship: Brama Człuchowska, Baszta Wronia, Baszta Szewska, Dom Szewski, Dom na Murach, Baszta Kurza Stopa and in two additional buildings in Chojnice at 5 Drzymały Street and in Odry.