OkayamaJapan |
ChengduChina |
709 584
(2010) |
709 584
(2010)
7 123 000
(2010) |
7 123 000
(2010) |
789 km2
|
789 km2
12 390 km2
|
12 390 km2
|
899.35
/km2 |
899.35/km2
574.90/km2
|
574.90
/km2 |