The Karluks (also Qarluqs, Qarluks, Karluqs, Old Turkic: 𐰴𐰺𐰞𐰸, Qarluq, Para-Mongol: Harluut, simplified Chinese: 葛逻禄; traditional Chinese: 葛邏祿 Géluólù ; customary phonetic: Gelu, Khololo, Khorlo, Persian: خَلُّخ, Khallokh, Arabic: قارلوق Qarluq) were a prominent nomadic Turkic tribal confederacy residing in the regions of Kara-Irtysh (Black Irtysh) and the Tarbagatai Mountains west of the Altay Mountains in Central Asia. Karluks gave their name to the distinct Karluk group of the Turkic languages, which also includes the Uyghur, Uzbek and Ili Turki languages.