In October 1992, the Municipality of Dion (, ) was formed. At the 1997 Kapodistrias reform, it was expanded with the former communities Agios Spyridonas, Karitsa, Kondariotissa, Nea Efesos and Vrontou. The administrative center was in the village of Kondariotissa. As part of Greece's 2011 local government reform Dion merged with the former municipalities East Olympos and Litochoro to form the new municipality Dion-Olympos. Dion became a municipal unit of the newly formed municipality, and the former municipal districts became communities. The community of Dion consists of the village of the same name and Platanakia. The municipal unit has an area of , the community .