SeoulKorea, Republic of |
BostonUnited States |
10 464 051
(2011) |
10 464 051
(2011)
625 087
(2011) |
625 087
(2011) |
605 km2
|
605 km2
232 km2
|
232 km2
|
17 295.90
/km2 |
17 295.90/km2
2 694.34/km2
|
2 694.34
/km2 |