Cairo
1,680 km²
Khartoum
958 km²
Cairo covers 1,680 km² of contiguous built-up land, 1.8× the built-up area of Khartoum (958 km²).
| Cairo | Khartoum | |
|---|---|---|
| Urban area | Cairo | Khartoum |
| Population (2025) | 25.2 million | 7.11 million |
| Built-up area | 1,680 km² | 958 km² |
| Density | 15,018 /km² | 7,427 /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.