BerlinGermany |
LuoyangChina |
3 419 623
(2013) |
3 419 623
(2013)
6 544 007
(2008) |
6 544 007
(2008) |
891 km2
|
891 km2
15 208 km2
|
15 208 km2
|
3 837.96
/km2 |
3 837.96/km2
430.30/km2
|
430.30
/km2 |