The Caucasus Viceroyalty was a special administrative unit of the Russian Empire located in the Caucasus region, existing from 1801 to 1917 under the governance of various administrative offices. It included the present-day countries of Armenia, Azerbaijan and Georgia, as well as the Russian republics of Adygea, Chechnya, Dagestan, Ingushetia, Kabardino-Balkaria, Karachay-Cherkessia and North Ossetia–Alania and portions of Southern Russia and Turkey.