BelgradeSerbia |
ChengduChina |
1 233 796
(2014) |
1 233 796
(2014)
7 123 000
(2010) |
7 123 000
(2010) |
359 km2
|
359 km2
12 390 km2
|
12 390 km2
|
3 436.76
/km2 |
3 436.76/km2
574.90/km2
|
574.90
/km2 |