BerlinGermany |
HoustonUnited States |
3 419 623
(2013) |
3 419 623
(2013)
2 100 263
(2010) |
2 100 263
(2010) |
891 km2
|
891 km2
965 km2
|
965 km2
|
3 837.96
/km2 |
3 837.96/km2
2 176.44/km2
|
2 176.44
/km2 |