Chechens
Chechens (; '; Old Chechen: Нахчой "Naxçoy") are a Northeast Caucasian ethnic group of the Nakh peoples originating in the North Caucasus region of Eastern Europe. They refer to themselves as Vainakhs (which means "our people" in Chechen) or Nokhchiy (pronounced ; singular Nokhchi, Nakhchuo or Nakhtche). Chechen and Ingush peoples are collectively known as the Vainakh. The majority of Chechens today live in the Chechen Republic, a subdivision of the Russian Federation.
Chelkans
The Chelkans (native name - Shalgan) are a small Turkic people living in southern Siberia. Those residing in Altai Republic are sometimes grouped together with the Altay ethnic group and those in Kemerovo Oblast are grouped with the Shors; however, they are recognized as a separate ethnic group by ethnographers. According to the 2010 census, there were 1,181 Chelkans in Russia.