HamburgGermany |
HanoiVietnam |
1 718 187
(2011) |
1 718 187
(2011)
6 448 837
(2009) |
6 448 837
(2009) |
755 km2
|
755 km2
3 344 km2
|
3 344 km2
|
2 275.74
/km2 |
2 275.74/km2
1 928.48/km2
|
1 928.48
/km2 |