HarbinChina |
KolkataIndia |
10 635 971
(2010) |
10 635 971
(2010)
4 486 679
(2011) |
4 486 679
(2011) |
53 068 km2
|
53 068 km2
185 km2
|
185 km2
|
200.42
/km2 |
200.42/km2
24 252.30/km2
|
24 252.30
/km2 |