Mordovia (Erzya: Мордовиясь; Moksha: Мордовиясь; Russian: Мордовия), officially the Republic of Mordovia, is a republic of Russia, located in Eastern Europe. Its capital is the city of Saransk. As of the 2010 Census, the population of the republic was 834,755. Ethnic Russians (53.1%) and Mordvins (39.8%) account for the majority of the population. From Wikipedia
