The museum is situated in a two-story edifice near the centre of Pleven that is a monument of culture of national importance and has an area of 7,000 m2.
Its main stock includes over 180,000 units and the museum library houses over 10,000 volumes of scientific literature and periodicals.
The first excavations of the Roman fortress of Storgosia in Kaylaka Park in May 1905 were organized and carried out by the society under the direction of Yurdan Kantardzhiev.
Officially founded in 1953, the museum moved to its current edifice, built between 1884 and 1888 after an Italian project for barracks, in 1984.
The museum's permanent exposition of 5,000 items is situated in a total of 24 halls and is divided in 5 departments, devoted to archaeology, ethnography, the Bulgarian National Revival and the Ottoman rule of Bulgaria, modern history, and nature.