OkayamaJapan |
VolgogradRussian Federation |
709 584
(2010) |
709 584
(2010)
1 021 000
(2010) |
1 021 000
(2010) |
789 km2
|
789 km2
859 km2
|
859 km2
|
899.35
/km2 |
899.35/km2
1 188.59/km2
|
1 188.59
/km2 |