BerlinGermany |
St. PetersburgRussian Federation |
3 419 623
(2013) |
3 419 623
(2013)
5 131 942
(2014) |
5 131 942
(2014) |
891 km2
|
891 km2
1 439 km2
|
1 439 km2
|
3 837.96
/km2 |
3 837.96/km2
3 566.33/km2
|
3 566.33
/km2 |