Guangzhou
6,454 km²
Haikou
199 km²
City Map Compare/Guangzhou vs Haikouvs
vs
5 km
Guangzhou covers 6,454 km² of contiguous built-up land, 32× the built-up area of Haikou (199 km²).
| Guangzhou | Haikou | |
|---|---|---|
| Urban area | Guangzhou–Shenzhen | Haikou |
| Population (2025) | 43.0 million | 1.37 million |
| Built-up area | 6,454 km² | 199 km² |
| Density | 6,661 /km² | 6,905 /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.