San JuanPuerto Rico |
LondonUnited Kingdom |
389 714
(2011) |
389 714
(2011)
8 416 999
(2013) |
8 416 999
(2013) |
199 km2
|
199 km2
1 580 km2
|
1 580 km2
|
1 958.36
/km2 |
1 958.36/km2
5 327.21/km2
|
5 327.21
/km2 |