MadridSpain |
HaikouChina |
3 041 579
(2013) |
3 041 579
(2013)
830 192
(2006) |
830 192
(2006) |
607 km2
|
607 km2
2 304 km2
|
2 304 km2
|
5 010.84
/km2 |
5 010.84/km2
360.33/km2
|
360.33
/km2 |