Lyambirsky District (Russian: Ля́мбирский райо́н; Erzya: Лямбирьбуе, Lämbiŕbuje; Moksha: Лямбирень аймак, Lämbireń ajmak; Tatar: Ләмберә районы, Lämberä rayonı) is an administrative[1] and municipal[5] district (raion), one of the twenty-two in the Republic of Mordovia, Russia. It is located in the northern and central parts of the republic. The area of the district is 852 square kilometers (329 sq mi).[3] Its administrative center is the rural locality (a selo) of Lyambir.[2] As of the 2010 Census, the total population of the district was 34,142, with the population of Lyambir accounting for 24.8% of that number.[4]
^ abConstitution of the Republic of Mordovia, Article 63
^Всесоюзная перепись населения 1979 г. Национальный состав населения по регионам России [All Union Population Census of 1979. Ethnic composition of the population by regions of Russia] (XLS). Всесоюзная перепись населения 1979 года [All-Union Population Census of 1979] (in Russian). 1979 – via Demoscope Weekly (website of the Institute of Demographics of the State University—Higher School of Economics.