Mordovian republican incorporated Regional Studies the museum is organized in 1918 under the initiative " Societies(community) of study of native edge(territory) ", where was united about hundred men of the fans(amateurs) student of local lore of various trades. His(its) chief was Yakov Petroxich Navrochatskiy, doctor on a trade. Long time the museum was placed in temporary premises(rooms). Since 1935. Central Regional Studies was placed in a building former Трехсвятской of church. The museum had three departments: a nature, historical and art.

    In 1973 the museum has got structure Regional Studies of museums with exposition halls: a nature, history of the pre-revolutionary past, history of the Soviet society(community), ethnography.

    In a Water hall the visitors get acquainted with bright original ceremony " of the Mordovian wedding ". Unique costumes of the Mordovian people "Erzya" and "Moksha", photo to. XIX in., subjects of material and spiritual culture here are shown.

    The first hall is devoted to an initial history of Mordovia. In a hall it is possible to see stony axes of epoch neolit, clay vessels, tips arrow from various settlements and parking in territory of Mordovia and Nizhniy Novgorod area.

    The iron century is submitted by finds Gorodezkoy of culture from old-Mordovian sepulchre. Here Golden Orda the period of the Mordovian edge(territory). The strokes show participation mordvi in country wars, Domestic war of 1812.

    The place and for creation of a breadboard model " kurnoy of a log hut " was found. The interior of a log hut and fragment of outside registration is shown.

    Two halls of the second floor represent materials of a modern history, since events of October, 1917. It is photos, documents, personal things ours countyman.

    The large exposition is devoted to Mordovia within VOV. In show-windows military production of factories and factories. 104 Heroes of the Soviet Union were given to a native Land by(with) our ground.

    The interesting materials are devoted unique for world war to a feat М.P.Devyataeva, run from fascist of captivity by the German plane.

    The exposition by section telling about a modern industry of Republic Mordovia comes to an end.

    In a department of a nature of a show-window represent the certain landscapes of territory of Mordovia. Finish a hall huge diorama of a winter wood with change of time of day and show-window " the Red book " Mordovias.