VolgogradRussian Federation |
NanjingChina |
1 021 000
(2010) |
1 021 000
(2010)
8 116 000
(2012) |
8 116 000
(2012) |
859 km2
|
859 km2
6 596 km2
|
6 596 km2
|
1 188.59
/km2 |
1 188.59/km2
1 230.44/km2
|
1 230.44
/km2 |