KatowicePoland |
ChengduChina |
321 000
(2005) |
321 000
(2005)
7 123 000
(2010) |
7 123 000
(2010) |
164 km2
|
164 km2
12 390 km2
|
12 390 km2
|
1 957.32
/km2 |
1 957.32/km2
574.90/km2
|
574.90
/km2 |