BostonUnited States |
BarcelonaSpain |
625 087
(2011) |
625 087
(2011)
1 615 448
(2011) |
1 615 448
(2011) |
232 km2
|
232 km2
100 km2
|
100 km2
|
2 694.34
/km2 |
2 694.34/km2
16 154.50/km2
|
16 154.50
/km2 |