ZhangjiakouChina |
ZaozhuangChina |
4 345 491
(2010) |
4 345 491
(2010)
3 650 000
(2003) |
3 650 000
(2003) |
36 947 km2
|
36 947 km2
4 550 km2
|
4 550 km2
|
117.61
/km2 |
117.61/km2
802.20/km2
|
802.20
/km2 |