Ahmedabad
365 km²
Mumbai
738 km²
Mumbai covers 738 km² of contiguous built-up land, 2.0× the built-up area of Ahmedabad (365 km²).
| Ahmedabad | Mumbai | |
|---|---|---|
| Urban area | Ahmedabad | Mumbai |
| Population (2025) | 7.90 million | 20.5 million |
| Built-up area | 365 km² | 738 km² |
| Density | 21,640 /km² | 27,714 /km² |
Urban area = contiguous built-up land and the people living in it in 2025, drawn the same way for every city regardless of administrative boundaries. Source: GHSL Urban Centre Database R2024A, European Commission, Joint Research Centre (CC BY 4.0); some names adjusted to the city names people use, and country attribution follows the dataset.