The Altai Republic (/ˈæltaɪ/; Russian: Респу́блика Алта́й, romanized: Respúblika Altáj, pronounced [rʲɪˈspublʲɪkə ɐlˈtaj]; Altai: Алтай Республика, Altay Respublika)[11] is a federal subject (a republic) of Russia. It is geographically located in the West Siberia region of Asian Russia, and is part of the Siberian Federal District. The Altai Republic covers an area of 92,600 square kilometers (35,800 sq mi) and has a population of 206,168 (2010 Census), the least-populous republic of Russia and federal subject in the Siberian Federal District.[6]

Gorno-Altaysk is the capital and the largest town of the Altai Republic.

The Altai Republic is one of Russia's ethnic republics, primarily representing the indigenous Altay people, a Turkic ethnic group that form 35% of the Republic's population, while ethnic Russians form a majority at 57%, and with minority populations of Kazakhs, other Central Asian ethnicities, and Germans. The official languages of the Altai Republic are Russian, Altay and Kazakh language.[12]