The Deri Museum is located in a neo-Baroque building in the centre of Debrecen. The Museum project, is now well known throughout Europe, belongs to Denes diardi and Aladar to Munich, the opening of the Museum dates back to 1930. The Museum's collection was inherited from the municipal Museum, founded in 1902 on the initiative of Arthur Lefkovich, jeweler and art collector, who donated it to the new Museum. In 1920 the owner of a silk factory Fridges Deri donated his magnificent collection to the city of Debrecen. Following his example, in 1938, his brother györgy Déri made a contribution, giving the Museum its unique Collecchio folk art of the peoples of the Carpathian region. Further, the number of exhibits has rapidly begun to grow through further acquisitions ethnographers, historians and archaeologists.

On the first floor of the Museum has two exhibition areas. The East wing of the house presents a collection of typical bird species of the region, and the West wing gives visitors an insight into the world of minerals.

The exhibition entitled " the inhabitants of the sky "(ground floor) introduces visitors to the history of ancient cults, showing archaeological finds made in Hajdu-Bihar.

Local history exhibition on the ground floor is the implements of agriculture and Handicrafts. In the North wing of the building visitors can see the interior of the house сívis". (In local terminology "сívis is the citizens that are partially or completely live at the expense of agricultural activities). The exhibition also presents the interior of the first pharmacies of Debrecen, called the Golden Unicorn.

The second floor has exhibits of unique antique collection of Fridges It. In the center of the room two mummies in the sarcophagi. Further rooms with a unique collection that represents the culture of Japan, Korea, Iran, Mongolia and India. Of particular interest to visitors is the collection of weapons and military clothing.

Further, ceramics, glassware and paintings of the 17th-19th centuries, including the famous Calvary (1884) and Ecce Homo (1896) is perhaps the main exhibits of the Museum.