BelgradeSerbia |
Xi'anChina |
1 233 796
(2014) |
1 233 796
(2014)
7 270 000
(2006) |
7 270 000
(2006) |
359 km2
|
359 km2
9 983 km2
|
9 983 km2
|
3 436.76
/km2 |
3 436.76/km2
728.24/km2
|
728.24
/km2 |