Athens
Population of the Athens Metropolitan Area
Table:
Classification of regional units within Greater Athens, Athens Urban Area and Athens Metropolitan Area

Regional unit

Population (2011)

Central Athens

1,029,520

Greater Athens
2,641,511

Athens Urban Area
3,090,508

Athens Metropolitan Area
3,753,783

North Athens

592,490

South Athens

529,826

West Athens

489,675

Piraeus

448,997

Greater Piraeus
448,997

East Attica

502,348

West Attica

160,927

Taking into account the data table for 'Athens' — "Population of the Athens Metropolitan Area" section, produce a single-sentence summary focused on the highlighted cells and format it within the following JSON object {"answer": "YOUR ANSWER"}.