ZurichSwitzerland |
PortoPortugal |
391 068
(2012) |
391 068
(2012)
221 800
(2008) |
221 800
(2008) |
92 km2
|
92 km2
42 km2
|
42 km2
|
4 250.74
/km2 |
4 250.74/km2
5 280.95/km2
|
5 280.95
/km2 |