Nairobi
598 km²
Nyala
104 km²
Nairobi covers 598 km² of contiguous built-up land, 5.8× the built-up area of Nyala (104 km²).
| Nairobi | Nyala | |
|---|---|---|
| Urban area | Nairobi | Nyala |
| Population (2025) | 6.65 million | 1.04 million |
| Built-up area | 598 km² | 104 km² |
| Density | 11,114 /km² | 9,988 /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.