Geography of the European Union Largest cities Largest cities

| City_proper | Population_City_limits_in_millions | Density_per_km² | Urban_area | Population_Urban_area_in_millions | Metro_area | Population_Metro_area_in_millions |
|---|---|---|---|---|---|---|
| Warsaw , Poland | 1.7 | 3258 | Rotterdam – The Hague , Netherlands | 3.3 | Berlin , Germany | 4.3 |
| Budapest , Hungary | 17 | 3570 | Athens , Greece | 3.2 | Frankfurt Rhine-Main , Germany | 4.1 |
| Vienna , Austria | 1.7 | 3931 | Naples , Italy | 2.9 | Athens , Greece | 3.9 |