Deveboynu is a village in Afşin District, in Kahramanmaraş Province, Türkiye. Deveboynu lies at 1,182 m above sea level, in the Binboğa mountains. The nearest city is Afşin, 14.2 km to the northeast. Among the landmarks around are Eshab-ı Kehf Kulliye (11.2 km) and Adatepe Dam (7.6 km).