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Which language family does Azerbaijani belong to?

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The Azerbaijani language belongs to the Turkic languages family. Specifically, it is classified within the southwestern (Oghuz) branch of this family, forming part of the West Oghuz group.123

While Azerbaijani is spoken in the Caucasus region, it is distinct from the indigenous Caucasian languages, which comprise separate language families such as the Northwest, Northeast, and South Caucasian groups.1