Ertem is a neighborhood in Siverek District, in Şanlıurfa Province, Türkiye. Ertem lies 9.2 km from the Malatya Dağları mountains. It has 1,242 inhabitants (2022). The nearest city is Siverek, 15.6 km to the southeast. Among the landmarks around are Gerger Castle (19.3 km), Hacıhıdır Dam (15.0 km) and Nissibi Bridge (19.6 km).