Istiaia-Aidipsos

Istiaia-Aidipsos () is a municipality in the Euboea regional unit, Central Greece, Greece. The seat of the municipality is the town Istiaia. The municipality has an area of 509.204 km2.
Municipality.
The municipality Istiaia-Aidipsos was formed at the 2011 local government reform by the merger of the following 5 former municipalities, that became municipal units:
Province.
The province of Istiaia () was one of the provinces of the Euboea Prefecture. It had the same territory as the present municipality Istiaia-Aidipsos. It was abolished in 2006.