Tuva or Tyva, officially the Republic of Tuva, is a republic of Russia. Tuva lies at the geographical center of Asia, in southern Siberia. The republic borders the Altai Republic, Khakassia, Krasnoyarsk Krai, Irkutsk Oblast, and Buryatia in Russia, and shares an international border with Mongolia to the south. Tuva has a population of 336,651. Its capital is the city of Kyzyl.

Tuvan or Tyvan is a Turkic language spoken in the Republic of Tuva in South Central Siberia, Russia. The language has borrowed a great number of roots from the Mongolian language, Tibetan and the Russian languages. There are small diaspora groups of Tuvan people that speak distinct dialects of Tuvan in China and Mongolia.