Chat Tatars
The Chat Tatars or Chats are a subgroups of Siberian Tatars. Their traditional areas of settlement are on the rivers Ob, Chik, Uen', and Chaus in Kozhevnikovsky District, Tomsk Oblast, and in Kolyvansky and Moshkovsky districts, Novosibirsk Oblast since the 8th century, later also on the territory of modern Shegarsky, Tomsky, Kochenyovsky, Bolotninsky, Novosibirsky, Toguchinsky, Iskitimsky, Ordynsky districts, and in the cities of Tomsk, Novosibirsk, and Berdsk. They live, among others, in the villages of Chernaya Rechka and Takhtamyshevo.
Chat Tatars are divided into two sub-groups: Tom Tatars and Ob Tatars. To a significant degree they have been assimilated by Russians and by other Siberian Tatars, usually depending on the religion.
Some of Chat Tatars are Sunni Muslims.