ChengduChina |
ZhangjiakouChina |
7 123 000
(2010) |
7 123 000
(2010)
4 345 491
(2010) |
4 345 491
(2010) |
12 390 km2
|
12 390 km2
36 947 km2
|
36 947 km2
|
574.90
/km2 |
574.90/km2
117.61/km2
|
117.61
/km2 |