Dallarca is a village in Gerger District, in Adıyaman Province, Türkiye. Dallarca lies at 1,058 m above sea level, in the Malatya Dağları mountains. It has 280 inhabitants. The nearest city is Çermik, 30 km to the east. Among the landmarks around are Karakaya Dam (14.5 km), Gerger Castle (17.6 km) and Nissibi Bridge (25 km).