BerlinGermany |
QiqiharChina |
3 419 623
(2013) |
3 419 623
(2013)
6 011 000
(2010) |
6 011 000
(2010) |
891 km2
|
891 km2
42 469 km2
|
42 469 km2
|
3 837.96
/km2 |
3 837.96/km2
141.54/km2
|
141.54
/km2 |