Huai'an
203 km²
Shanghai
3,128 km²
City Map Compare/Huai'an vs Shanghaivs
vs
5 km
Shanghai covers 3,128 km² of contiguous built-up land, 15× the built-up area of Huai'an (203 km²).
| Huai'an | Shanghai | |
|---|---|---|
| Urban area | Huai'an | Shanghai |
| Population (2025) | 1.72 million | 30.7 million |
| Built-up area | 203 km² | 3,128 km² |
| Density | 8,460 /km² | 9,808 /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.