The Republic of Mordovia (; Moksha/Erzya: Мордовия Республикась,〔(Official website of the Government of the Republic of Mordovia )〕 ''Mordoviya Respublikas''), also known in English as Mordvinia, is a federal subject of Russia (a republic). Its capital is the city of Saransk. As of the 2010 Census, the population of the republic was 834,755. Ethnic Russians (53.4%) and Mordvins (40,0%) account for the majority of the population.
The republic is located in the eastern part of the East European Plain of Russia. The western part of the republic is situated in the Oka Don Plain; its eastern and central parts in the Volga Elevation.
*''internal'': Nizhny Novgorod Oblast (N), Chuvash Republic (NE/E), Ulyanovsk Oblast (E/SE), Penza Oblast (S/SW), Ryazan Oblast (W/NW)
*''Highest point'': (crossing of the road from Bolshoy Maresev with the roads to Mokshaley, Pyaigiley, and Picheury)
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