BelgradeSerbia |
St. PetersburgRussian Federation |
1 233 796
(2014) |
1 233 796
(2014)
5 131 942
(2014) |
5 131 942
(2014) |
359 km2
|
359 km2
1 439 km2
|
1 439 km2
|
3 436.76
/km2 |
3 436.76/km2
3 566.33/km2
|
3 566.33
/km2 |