VolgogradRussian Federation |
ChangshaChina |
1 021 000
(2010) |
1 021 000
(2010)
6 529 000
(2007) |
6 529 000
(2007) |
859 km2
|
859 km2
11 819 km2
|
11 819 km2
|
1 188.59
/km2 |
1 188.59/km2
552.42/km2
|
552.42
/km2 |