Macunlu is a neighborhood in Halfeti District, in Şanlıurfa Province, Türkiye. Macunlu lies at 558 m above sea level. It has 549 inhabitants. The nearest city is Birecik, 32 km to the southwest. Among the landmarks around are Zeugma (36 km), Atatürk Dam (26 km) and Rumkale (29 km).