Dio-Olympos (Greek: Δίο-Όλυμπος) is a municipality in the Pieria regional unit, Central Macedonia, Greece. The seat of the municipality is the town Litochoro.
The municipality Dio-Olympos was formed at the 2011 local government reform by the merger of the following 3 former municipalities, that became municipal units:
- ^ "Περιφερειακές - Δημοτικές Εκλογές 2010". Hellenic Interior Ministry (in Greek). ekloges-prev.singularlogic.eu. Retrieved 30 May 2011.
- ^ Detailed census results 2011 (Greek)
- ^ a b Kallikratis law Greece Ministry of Interior (Greek)