VolgogradRussian Federation |
St. PetersburgRussian Federation |
1 021 000
(2010) |
1 021 000
(2010)
5 131 942
(2014) |
5 131 942
(2014) |
859 km2
|
859 km2
1 439 km2
|
1 439 km2
|
1 188.59
/km2 |
1 188.59/km2
3 566.33/km2
|
3 566.33
/km2 |