Nea Aretsou (Greek: Νέα Αρετσού) is a district of Kalamaria, Thessaloniki, Greece. It was created in the 1920s and populated by Greek refugees from the town of Aretsou (modern Darıca) in Turkey.

40°34′30″N 22°57′00″E / 40.575°N 22.950°E / 40.575; 22.950