Önder is a neighborhood in Altındağ District, in Ankara Province, Türkiye. Önder lies 0.3 km from the Anatolian plateau mountains. It has 10,072 inhabitants. The nearest city is Battalgazi, 1.1 km to the northeast. Among the landmarks around are Hacı Bayram Mosque (5.6 km), Museum of Anatolian Civilizations (5.5 km) and Ankara Castle (5.1 km).