BrusselsBelgium |
St. PetersburgRussian Federation |
163 210
(2011) |
163 210
(2011)
5 131 942
(2014) |
5 131 942
(2014) |
33 km2
|
33 km2
1 439 km2
|
1 439 km2
|
4 945.76
/km2 |
4 945.76/km2
3 566.33/km2
|
3 566.33
/km2 |