Keratea
Keratea is a town in East Attica, Greece. Since the 2011 local government reform it is part of the municipality Lavreotiki, of which it is a municipal unit. The municipal unit has an area of 129.864 km2. It is part of Athens metropolitan area.
Geography
Keratea is situated in the hills in the southeastern part of the Attica peninsula, 6 km west of the Aegean Sea coast, at about 200 m elevation. It lies at the northern foot of. It is 5 km southeast of Kalyvia Thorikou, 12 km northwest of Lavrio and 29 km southeast of Athens city centre. Greek National Road 89 passes through Keratea.In antiquity, the area of present Keratea was part of the deme Cephale, of the phyle Acamantis in Mesogeia area of Ancient Athens.
The municipal unit Keratea consists of the town Keratea proper and 62 other settlements, including Kaki Thalassa and Pefka.
Historical population
| Year | Town population | Municipality population |
| 1981 | 7,511 | — |
| 1991 | 6,512 | 9,715 |
| 2001 | 7,472 | 11,205 |
| 2011 | 7,493 | 14,763 |
| 2021 | 8,340 | 14,483 |
The town has historically been an Arvanite settlement.