ZhangjiakouChina |
HannoverGermany |
4 345 491
(2010) |
4 345 491
(2010)
518 098
(2013) |
518 098
(2013) |
36 947 km2
|
36 947 km2
204 km2
|
204 km2
|
117.61
/km2 |
117.61/km2
2 539.70/km2
|
2 539.70
/km2 |