The Chat Tatars or Chats (,Tom Tatars ) are one of the three subgroups of Tom group 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.Милли-мәдәни мирасыбыз: Томск өлкәсе татарлары. — Казан, 2016. — 432 б. — (Фәнни экспедицияләр хәзинә сен нән; ундүртенче китап).
Chat Tatars are divided into two sub-groups: Tom Tatars (Tomsk Oblast) and Ob Tatars (Novosibirsk Oblast).Ethnic processes within the Turkic population of the West Siberian plain (sixteenth-twentieth centuries) To a significant degree they have been assimilated by Russians (Ob Tatars)Демография коренных народов Сибири в XVII — XX вв. Колебания численности и их причины and by other Siberian Tatars,Евстигнеев Ю. А. Россия: коренные народы и зарубежные диаспоры (краткий этно-исторический справочник) usually depending on the religion (Christianity vs. Islam).ЭТНИЧЕСКИЙ СОСТАВ СИБИРСКИХ СЛУЖИЛЫХ ЛЮДЕЙ В КОНЦЕ XVI – НАЧАЛЕ XVIII ВЕКА
Chat Tatars (along with other related groups of Siberian Tatars) are Sunni Muslims.
Chat Tatars, native to Tomsky district of Tomsk oblast speak Eushta-Chat variant of the Tom dialect, while those native to Novosibirsk oblast and close regions of Tomsk Oblast speak Or Chat subdialect.
Genetics According to Valikhova L.V. et al. (2022), in the Chat Tatar villages of Chernaya Rechka and Takhtamyshevo predominate Eastern Eurasian Y-DNA haplogroups N1a1a1a3a2-Z35326, C2a1a2a-M86, and R1a1a1b2a2b-Z2122, as well as R1b1a1a2a2c1-CTS1843 (in the Takhtamyshevo village), which is otherwise widespread in the Volga-Ural region. Chat Tatars harbor strong Mongolic component, but also a Siberian Turkic one.Valikhova L.V., Kharkov V.N., Volkov V.G., Khitrinskaya I.Yu., Stepanov V.A., "The structure of the gene pool of Tomsk Tatars according to Y-chromosome markers." Medical genetics [Medicinskaya genetika] 2022; 21(12): 33-35. (In Russ.)
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