Megas Alexandros (Greek: Μέγας Αλέξανδρος, Alexander the Great) is a former municipality in the Pella regional unit, Greece. Since the 2011 local government reform it is part of the municipality Pella, of which it is a municipal unit. It is named after Alexander the Great. Population 8,140 (2001). The seat of the municipality was in Galatades.