BerlinGermany |
VolgogradRussian Federation |
3 419 623
(2013) |
3 419 623
(2013)
1 021 000
(2010) |
1 021 000
(2010) |
891 km2
|
891 km2
859 km2
|
859 km2
|
3 837.96
/km2 |
3 837.96/km2
1 188.59/km2
|
1 188.59
/km2 |