BelgradeSerbia |
RiyadhSaudi Arabia |
1 233 796
(2014) |
1 233 796
(2014)
5 700 000
(2013) |
5 700 000
(2013) |
359 km2
|
359 km2
1 554 km2
|
1 554 km2
|
3 436.76
/km2 |
3 436.76/km2
3 667.95/km2
|
3 667.95
/km2 |