Eidar is a village in Múlaþing Municipality, in the region of Eastern, Iceland. Eidar lies at 55 m above sea level, 7.8 km from the Fljotsdalheidi mountains. The nearest city is Akureyri, 177 km to the west. Among the landmarks around are Eiðakirkja (0.3 km). Among the natural features are Fardagafoss (11.6 km) and Lagarfoss (15.0 km).