Attica

Central Athens Regional unit

1 002 210 boundary →

North Athens Regional unit

601 163 boundary →

South Athens Regional unit

529 455 boundary →

East Attica Regional unit

518 753 boundary →

West Athens Regional unit

478 885 boundary →

Piraeus Regional unit

448 053 boundary →

West Attica Regional unit

165 540 boundary →

Islands Regional unit

70 008 boundary →