Mandra-Eidyllia

Mandra-Eidyllia () is a municipality in the West Attica regional unit, Attica, Greece. The seat of the municipality is the town Mandra. The municipality has an area of 426.197 km2.

Erythres (, formerly known as Kriekouki, Greek: Κριεκούκι) is a village and a former municipality in the northernmost part of West Attica, Greece. Since the 2011 local government reform it is part of the municipality Mandra-Eidyllia, of which it is a municipal unit. The municipal unit has an area of 61.145 km2. It is part of Athens metropolitan area. Erythres was named after the ancient city of Erythrae, the ruins of which are located 1.5 km east of the present town. The inhabitants of Erythres are Arvanites. The Greek National Road 3 (Elefsina - Thebes - Florina) passes through Eryt

Mandra (), is a town and former municipality in West Attica, Greece. Since the 2011 local government reform, it is part of the municipality Mandra-Eidyllia, of which it is the seat and a municipal unit. The municipal unit covers an area of 205.770 km2 and has a population of 12,365 according to the 2021 census.