The Turkic peoples are a collection of ethnic groups that live in northern, eastern, central, and western Asia, northwestern China, and parts of eastern Europe. They speak languages belonging to the Turkic language family. They share, to varying degrees, certain cultural traits and historical backgrounds. The term Turkic represents a broad ethno-linguistic group of peoples including existing societies such as the Turkish people, Azerbaijanis, Chuvashes, Kazakhs, Tatars, Kyrgyz, Turkmens, Uyghurs, Uzbeks, Bashkirs, Qashqai, Gagauz, Altai, Khakas, Tuvans, Yakuts, Crimean Karaites, Krymchaks, Karakalpaks, Karachays, Balkars, Nogais and as well as past civilizations such as Yenisei Kirghiz, Dingling, Tiele, Chuban, Pannonian Avars, Göktürks, Bulgars, Kumans, Kipchaks, Turgeshes, Khazars, Seljuk Turks, Ottoman Turks, Mamluks, Timurids, Khiljis, and possibly Huns, Xiongnu, Wusun, Tauri and the Tuoba.
The first known mention of the term Turk (Old Turkic: 𐱅𐰇𐰼𐰰 Türük or 𐰜𐰇𐰛 𐱅𐰇𐰼𐰰 Kök Türük or 𐱅𐰇𐰼𐰛 Türük,Chinese: 突厥, Old Tibetan: duruggu/durgu (meaning "origin"),Pinyin: Tūjué, Middle Chinese (Guangyun): [tʰuot-küot]) applied to a Turkic group was in reference to the Göktürks in the 6th century. A letter by Ishbara Qaghan to Emperor Wen of Sui in 585 described him as "the Great Turk Khan." The Orhun inscriptions (735 CE) use the terms Turk and Turuk.